Episode 080: Mystery Dogs

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This week we’re looking at some strange and mysterious canids from around the world!

The African wild dog:

A dhole:

An old photo of the ringdocus and a newer photo of the ringdocus:

A coyote:

Sri Lankan golden jackal:

The maned wolf MONEY SHOT:

A bush dog:

A stuffed Honshu wolf, dramatically lit:

Show transcript:

Welcome to Strange Animals Podcast. I’m your host, Kate Shaw.

This week let’s look at a bunch of mystery doggos from around the world! I really like dogs, but for some reason dogs and their relations don’t come up much on the podcast. When I started looking into mystery canids, though, I found so much information that there’s no way I can stuff even half of it into one episode. So we’ll definitely be revisiting mystery dogs in the future.

The family Canidae includes dogs, wolves, coyotes, jackals, and foxes. Yes, foxes are canids, but not closely related to more dog-like canids. We’re going to skip the foxes this week, since foxes deserve an episode all their own eventually.

Dogs were domesticated at least 9,500 years ago, possibly as long as 14,700 years ago, maybe even as long as 36,000 years ago. Dogs and humans go way back. The closest living relative of the dog is the gray wolf, which is still alive today, but the wild ancestor of the domestic dog was a different species of wolf that has gone extinct.

There are canids called wild dogs, but they’re not the same species as domestic dogs. The African wild dog, for instance, is not very closely related to dogs and wolves—in fact, it’s the only species in its own genus. It’s a tall, lean canid with large ears and no dewclaws. It has a yellowish coat with black blotches and some white spots, including a white tail tip, although some subspecies have darker coats. As the dog ages, it loses its fur until old dogs are nearly bald. It hunts in packs and mostly preys on antelopes, warthogs, ostriches, hares, and rodents.

The nomadic Tuareg people who live in northern parts of Africa around the Sahara have stories of a supernatural creature called the Adjule, among other names. The Adjule’s description makes it sound a lot like the African wild dog, including its lack of a dew claw. Since the African wild dog is rare in that part of Africa, it’s possible that rare sightings of what is a distinctively odd-looking animal may have given rise to the stories.

Another so-called wild dog is the dhole, also called the Indian wild dog, which is closely related to the African wild dog. It used to be common throughout Eurasia and North America, but these days it’s restricted to parts of Asia and is endangered. It looks something like a fox and something like a wolf, but is neither. Like many other canids in this episode, the dhole has its own genus. Because it tends to be easily tamed and is sometimes kept as a pet, researchers once believed domestic dogs might have descended from the dhole or an ancestral species of dhole, but genetic evidence shows that the dhole isn’t closely related to domestic dogs or to wolves.

There are three subspecies of dhole, two of them reddish-brown in color and one with fur that’s pale brown in winter. But there is a mystery animal called the gray dhole that may turn out to be a fourth subspecies or something else.

The gray dhole supposedly lives in the forests and mountains of Myanmar. It’s dark gray with a black muzzle and small, round ears, and is supposed to be smaller than the other dhole species. In 1913 a Major E.G. Phythian-Adams wrote about the grey dhole after he saw one that year, and in 1933 E.H. Peacock mentioned it in his book A Game Book for Bhurma and Adjoining Territories. In 1936 an explorer named Tsaing reported seeing one in Burma. But after these reports, the Bombay Natural History Society tried to find physical evidence of the animal in the 1950s, but couldn’t track down anything. They only found one person who even reported seeing the grey dhole. So even if it is a separate species or subspecies and not just a rare color morph of a known species of dhole, it’s probably extinct now.

Kipling wrote about the dhole in one of his Jungle Book stories, calling it the red whistling dog of the Deccan, and reporting that packs of the animals were so ferocious that even tigers would avoid them. This is true, even the whistling part. Instead of barking or howling, dhole calls are whistles. This is what a dhole sounds like:

[dhole sound]

In 1886 a Montana settler named Israel Hutchins shot a wolflike animal that had reportedly been killing livestock. No one knew what it was, so Hutchins traded it to a taxidermist for a cow. He needed the cow because when he first tried to shoot the canid, he accidentally shot one of his own cows instead. The taxidermist, Joseph Sherwood, also owned a general store in Idaho. He displayed the stuffed canid in the store, where it stayed for almost a hundred years until it disappeared. In 2007 Hutchins’s grandson, Jack Kirby, traced it to the Idaho Museum of Natural History.

The stuffed mystery canid is usually called the ringdocus, a name Sherwood made up. It has a sloping back and some other un-wolf-like features that might be due to bad taxidermy or might be due to physical anomalies in an ordinary wolf—or might be due to the ringdocus being an animal new to science. Suggestions as to what it might be include a thylacine, a hyena, a wolf-coyote hybrid, a wolf-dog hybrid, or a dire wolf. It’s not a thylacine, just going to say that straight out. Since we have the taxidermied specimen, it seems logical that a DNA test would clear up the mystery or bring us a brand new scientific mystery, if it turns out to be an unknown animal. But Kirby doesn’t want a DNA test done. That tells me it’s probably just a wolf, and he knows it’s a wolf. Prove me wrong, Kirby. I bet you ten whole dollars it’s just a wolf.

Around the same time that Hutchens was shooting at the ringdocus and killing his cow, and probably saying some very bad words when it happened, a man called Payze bought what he thought was a fox cub from some men traveling to London. It was 1883 and the men had caught the cub, along with two others, in Epping Forest. Payze named the cub Charlie, but as Charlie grew up, he started looking less and less like a fox. Payze took him to London Zoo and showed him to the superintendent, who identified him as a coyote.

But how had a coyote gotten to England? Coyotes are native to North America. The coyote is smaller than a wolf, usually a bit bigger than a fox but with longer legs, and can look fox-like. It’s gray and brown, or sometimes reddish, with large ears and a brushy tail.

It turns out that four coyotes had been brought to England and released near Epping Forest not long before, presumably for hunting. Clearly they’d had at least one litter of pups, but is it possible they survived and had more offspring? Locals do occasionally report seeing wolves or gray foxes in the area. Since coyotes readily breed with dogs and produce fertile offspring, it’s possible that some local dogs have coyote in their ancestry.

The Sri Lankan golden jackal lives in Sri Lanka and parts of India. It’s a small canid, with grizzled black and white fur above and tan or golden on the belly and legs. It’s a subspecies of the golden jackal, and it’s sometimes called the horned jackal. Local people in Sri Lanka believe that the leader of the pack has a small horn on the back of its skull, although other people report the horn is on its forehead. The horn is supposed to have supernatural powers and is considered a valuable talisman or charm.

That sounds nutty, but we actually have golden jackal skulls with small pointy horns less than an inch long, or a few centimeters. So the horns are real, but they’re not actual horns. They’re most likely bony growths resulting from an injury to the skull. No one’s sure why golden jackals grow them but not other canids.

The Falkland Islands is an archipelago about 300 miles, or 480 km, off the coast of Patagonia at the southern end of South America. When European explorers first discovered the islands in the late 17th century, no people lived there, just lots of birds and a fox-like wolf. Charles Darwin saw it in 1834 and described it as a wolf-like fox, but modern DNA research shows that it’s not only not a fox, its closest living relative is the maned wolf, which still lives in parts of South America.

The Falkland Islands wolf was tawny in color with a white tip to its tail. It had relatively short legs but was a fairly large animal, standing about two feet tall at the shoulder, or 60 cm. Its fur was thick and it barked like a dog. It may have lived in burrows. Because no mammals except the wolf lived on the Falkland Islands until settlers arrived, the wolf probably mostly ate seabirds, insects, and anything it could scavenge from the seashore.

For a long time it was a mystery how the Falkland Islands wolf got to the islands. There were no other wild canids in Patagonia, and the islands were never connected to the mainland. The islands aren’t even visible from the mainland. But the Falkland Islands wolf used to have a close relative that lived in Patagonia and other parts of South America. Dusicyon avus was about the size of German shepherd, and may have been at least partially domesticated. The grave of a young D. avus was found among human graves dating to over 2,000 years ago in Argentina. Estimates of when D. avus went extinct vary from 1,000 BCE to only around 300 years ago. Either way, researchers think that about 16,000 years ago, during the last ice age, the sea level was lower and only a shallow strait separated the mainland from the Falkland Islands. At times the strait may have frozen over, allowing animals to travel to the islands. When the glaciers melted and the sea level rose, some of the wolves were trapped on the islands. They evolved over the centuries to better fit their island habitat.

The Falkland Islands wolf wasn’t afraid of humans since it had no predators. That meant that sailors and other people who visited the islands could kill the wolves easily. It was hunted for its fur, or sometimes just poisoned by settlers who believed it killed sheep. It went extinct in 1876.

So what about the maned wolf, the Falkland Islands wolf’s living relation? It is a very weird animal, and in fact you’ll often see it listed in articles about the weirdest animals ever.

The maned wolf resembles a fox in many ways. It has reddish fur with black legs and muzzle and a black mane along its spine, a white tip to its tail, and a white patch on its throat. Its ears are big and its muzzle relatively short. Oh, and its legs are long. Really, really long. Super long. At first glance, it almost looks like a deer.

The maned wolf’s body is about the size of a good-sized dog’s, but its legs are far longer than any dog’s legs. Researchers think the maned wolf evolved longer legs to better see over the tall grasses where it lives. It’s a solitary animal and hunts small animals and birds, but about half its diet is plants. It especially likes a tomato-like fruit called the wolf apple. It marks its territory with a stinky musk that smells enough like cannabis that at least one zoo security team has mistaken it for people smoking marijuana.

Not only is the maned wolf not a wolf, it’s not a fox either. It’s not really closely related to any other living canids. It is, in fact, its own thing, the only living canid in its genus. While it’s related to the Falkland Islands wolf, its closest living relative is the bush dog, also the only species in its genus, also an odd canid from South America. But while the maned wolf is very tall, the bush dog is very short, only about a foot tall at the shoulder, or 30 cm.

The bush dog has plush brown fur that’s lighter on the back and darker on the belly, legs, and rump. Its ears are small, its snout short, and its tail is relatively short. It actually looks more like an otter or big weasel than a dog. It sometimes hunts in packs, sometimes alone. When it hunts alone it mostly eats small rodents, lizards and snakes, and birds, but packs can kill larger animals like peccaries, a type of wild pig. It lives in extended family groups and hunts during the day.

The bush dog is rare and not much is known about it. Its toes are webbed and it spends a lot of time in the water within its forest habitat. It’s so rare that for a long time it was only known from fossils found in some caves in Brazil, and was thought extinct.

Conversely, the Japanese wolf, or Honshu wolf, is a canid that is supposed to have gone extinct in January of 1905 when the last known wolf was killed. But people keep seeing and hearing it in the mountains of Japan.

The Honshu wolf was also small, not much more than a foot tall at the shoulder, or 30-odd cm, but it was a subspecies of gray wolf. Its legs were short and its short coat was greyish-brown. It was once considered a friend to farmers, since it ate rats and other pests. Wolves were also regarded as protective of travelers in Japanese folklore. But in 1732 rabies was introduced to Japan. That disease combined with loss of habitat made the Honshu wolf more of a threat to humans and their livestock, and led to its persecution.

But sightings of the wolf have continued ever since that last one was killed in 1905. Photographs of a canid killed in 1910 were studied by a team of researchers in 2000, who determined that the animal in the photos was probably a Honshu wolf. People have found tracks, heard howling, seen wolf-like animals, even taken photos of what look like wolves. The problem is that the Japanese wolf looked similar in many ways to some Japanese dog breeds like the Shiba inu and the Akita, which are probably partly wolf anyway since wolves and dogs interbreed easily and produce fertile offspring. People might be seeing dogs roaming the countryside. We can’t even DNA test hairs and old pelts to see if they’re from wolves, because we don’t have a genetic profile of the Honshu wolf. There are only a few taxidermied specimens of the wolf, and none of them have yielded intact DNA.

Another mystery not definitely solved by DNA testing, although at least they’ve tried, is the Andean wolf, sometimes called Hagenbeck’s wolf. It’s another South American mystery canid. In 1927, a German animal collector called Lorenz Hagenbeck bought a wolf pelt in Buenos Aires. The seller said the pelt, and three others, came from a wolf-like wild dog in the Andes Mountains.

The pelt is about six feet long, or 1.8 meters, including the tail, with thick, long fur, especially a thick ruff on the neck. It’s black on the back and dark brown elsewhere.

Hagenbeck didn’t recognize the pelt, so when he got home he sent it for examination. In the 1930s and 1940s, various studies suggested it belonged to a new species of canid, possibly one related to the maned wolf. One mammologist, Ingo Krumbiegel, also thought he might have seen a skull of the same canid in 1935, which he said had resembled a maned wolf skull but was much larger, and was supposed to have come from the Andes. Krumbiegel was convinced enough that in 1949 he described the Andean wolf formally as a new species. But no more specimens have come to light.

In 1954 another study determined Hagenbeck’s pelt was just a dog pelt, possibly of a German Shepherd crossbreed. A 1957 study came to the same conclusion. In 2000, a DNA analysis came back inconclusive due to the pelt having been chemically treated during preparation, and contamination with dog, wolf, human, and pig DNA. Currently the pelt is on display at the Zoological State Museum in Munich.

Finally, the dire wolf is a famous canid from books, games, and movies, but it was also a real animal. It lived throughout North and South America and was bigger than modern gray wolves, standing over three feet tall at the shoulder, or about 97 cm. It had massive teeth and powerful jaws that would have helped it kill giant ground sloths, mastodons, bison, horses, and other ice age megafauna. It wasn’t as fast a runner as modern wolves, though, and some researchers think the gray wolf may have outcompeted the dire wolf.

The dire wolf probably died out about 9,500 years ago, but there’s a group called the Dire Wolf Project that’s attempting to breed a dog that looks like a dire wolf. The group isn’t introducing any modern wolf genes into the breed, though, since they want a dog that looks like a dire wolf but doesn’t act like one. Which is pretty smart considering that dire wolves probably snacked on our own ancestors from time to time.

You can find Strange Animals Podcast online at strangeanimalspodcast.com. We’re on Twitter at strangebeasties and have a facebook page at facebook.com/strangeanimalspodcast. If you have questions, comments, or suggestions for future episodes, email us at strangeanimalspodcast@gmail.com. If you like the podcast and want to help us out, leave us a rating and review on Apple Podcasts or whatever platform you listen on. We also have a Patreon if you’d like to support us that way.

Thanks for listening!

Episode 079: Starfish and Friends

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This week’s episode is all about echinoderms, or at least the star-shaped echinoderms! Thanks to Llewelly for the suggestion about feather stars and crinoids!

A very pretty starfish:

Crown of thorns starfish. Do not touch:

Pumpkin starfish or orange throw pillow? YOU DECIDE:

Sea daisies. Not much to look at tbh:

A banded arm brittle star:

Ruby brittle stars:

Brittle stars riding around in a jelly:

A basket star:

Basket stars got TEETH THINGS:

A stemmed crinoid:

A lovely feather star:

Further reading:

Echinoblog, a really amazing resource and so much fun to browse

Show transcript:

Welcome to Strange Animals Podcast. I’m your host, Kate Shaw.

This week we’re going to look at some marine animals that most people barely think about, but which are really interesting. It was going to just be about starfish and maybe one other animal, but while I was still researching starfish, listener Llewelly suggested I cover feather stars and crinoids. They’re related to starfish, so I thought I’d tack them on. And if you talk about starfish, you really have to talk about brittle stars too, and if you talk about brittle stars you have to talk about basket stars. Basically, I had to stop myself from breaking this episode into two big episodes about echinoderms. It’s just the stars this time.

Before we get into echinoderms, though, a quick note about my schedule. Next week I’m going on a trip to Paris, France! I know it sounds like I’m rich and just travel as my whim takes me, but actually I just have really generous relatives. A week and a half after I return from Paris, I’ll be in Atlanta, Georgia for DragonCon, where I’ll be on a panel about podcasting. In other words, I won’t be around much on social media for the rest of August, but don’t worry, I’ll have episodes recorded and scheduled to run normally while I’m gone.

Okay, now let’s get into echinoderms. Echinoderms include sand dollars, sea urchins, starfish, and many others, and every single echinoderm lives in the ocean. Many of them can regenerate limbs and other body parts, and instead of blood they have a water vascular system. In most echinoderms, seawater enters the body through slits or pores, then travels through canals within the body to transport oxygen to cells and waste products out of cells. Echinoderms have internal skeletons made of calcium carbonate, but they’re invertebrates because they don’t have a backbone. Heck, technically they don’t even have a back.

Echinoderms show radial symmetry, which means their bodies are roughly the same in all directions instead of having a clear front and rear. The echinoderms we’re talking about this week are ones that also exhibit pentaradial symmetry, which means they have five sides. And the best-known echinoderms out there are starfish. There are about 1,500 species of starfish known, and some of them are really weird and some are only kind of weird. Most have five arms but some have a whole lot more.

Starfish are members of the class Asteroidea, which just delights me. A better name for them is sea star, since they’re not fish at all. Starfish have been around for at least 450 million years, but in 2012 paleontologists found a fossil of the oldest known ancestor of starfish in the mountains of Morocco. It’s about 515 million years old, from the Cambrian period. It was only about an inch and a half long, or 4 cm, and looked similar to the modern-day sea lily, or crinoid. If you recall, the Cambrian period was when life was expanding rapidly in the oceans and evolving sometimes quite strange body plans. You know, like things with FIVE LEGS.

Most starfish have ossicles in their skin, little hard beads of calcium carbonate that help protect the animal. In some starfish, the ossicles are more like spines or even spikes. Although cartoons of starfish usually make them look like their legs are always exactly star-shaped, the legs are actually quite flexible. If a starfish is flipped upside down, it bends a couple of its legs down to flip itself back over.

The starfish’s mouth is in the very center of its body, the part in the middle of the legs, known as the disc. Different starfish use their mouths differently. That sounds confusing, but just hang on, because things are about to get weird and gross.

Starfish are primarily predators. Some starfish just swallow their prey whole and digest it in the stomach. Pretty normal. But other starfish—look, I don’t know how to tell you this, so I’ll just say it. They turn their stomach inside out, called eversion, squish it around the prey, and start the digestive process. Part of the stomach stays inside the body, and when the prey has been digested enough that’s it sort of a lumpy soup, the starfish retracts its everted stomach and the food back into the body. This means that the starfish can eat prey that’s bigger than it is.

A lot of starfish eat bivalves of various kinds, like clams. Say a starfish finds a clam and wants to eat it. The clam is closed up tight and starfish don’t have teeth or claws to break the clam open. But starfish do have tiny tubes on the bottoms of their legs, called tube feet. These tubes act like suction cups, although they actually stick to things with a chemical reaction. So the starfish latches onto both shells of the bivalve with its tube feet and pulls. It probably isn’t strong enough to pull the clam open completely, but it doesn’t need to. It just needs a little space so it can evert its stomach and squish it into the clam’s shell. Then it releases digestive enzymes and the clam is doomed.

Starfish can’t move very fast, and lots of animals eat them. But they can regenerate lost legs if some of them are bitten off. The starfish doesn’t have a brain, although it does have a nerve net. Plus, it has sensory bundles at the ends of its arms that can detect smells, along with eye spots at the end of each leg. The eye spots basically just detect light and darkness and they don’t actually look like eyes, which is a good thing because that would be terrifying.

Starfish arms, or legs, are properly called rays. I will continue to confuse everyone by calling them arms or legs depending on which word sounds better to me at the time.

So let’s get down to the nitty-gritty. What is the biggest starfish? What is the weirdest starfish? Could a starfish actually kill you, and I don’t mean by making you faint with terror and drown, which is what would happen to me if I accidentally touched one.

Let’s start with the biggest starfish. Starfish don’t actually get all that enormous. Even the biggest ones are typically only about two feet across, or 60 cm. The sunflower star can grow more than three feet across, or over a meter, and can weigh up to 11 pounds, or 5 kilograms. AND it has a ridiculous number of arms, up to 24 of them.

Sunflower stars can be purple, red, pink, brown, orange, yellow, or even white. They live on the sea bed along the Pacific coast, usually where it’s shallow but sometimes nearly 1500 feet deep, or over 450 meters. Young sunflower stars only have five arms, but as they get older they grow more arms. One genus of starfish, commonly called Heliaster, looks similar to the sunflower star even though it’s not that closely related to it, but some individuals can have up to 50 legs.

Recently, a bed of 350 fossil starfish were found in Florida, so well preserved that paleontologists were able to identify them as Heliaster michrobachius, which is still around today. But it lives off the western coast of Central and South America, from Mexico all the way down to Chile—but it’s not found anywhere else. So what were they doing in Florida three million years ago?

Remember the Great American Interchange, where the isthmus of Panama formed, connecting North and South America and allowing animals from both places to spread into the other continents? Before then, North America was separate from South America, so Heliaster undoubtedly lived along North America’s southern coast. After the isthmus formed, currents, salinity, and many other factors changed, which probably led to Heliaster dying out in the Atlantic side of the continent. Fortunately, it survived in the Pacific side.

So, what is the weirdest starfish? It’s really hard to decide. All starfish are weird, frankly. Labidiaster annulatus can grow up to two feet across, or 60 cm, and has 40 to 45 long, thin legs with sharp spines that can actually grab prey. The starfish holds its legs out and wriggles them like fishing lines, and when a little fish or an amphipod comes close, the spines snag it. The starfish wraps its arms around the prey and pulls it to its mouth, where it everts its stomach and starts digesting.

The crown-of-thorns starfish mostly eats coral polyps and is covered with thorny spines that are venomous. It can have up to 21 arms and is the same size as Labidiaster, but with a thicker body and much shorter legs. It looks scary, but it’s actually delicate and rarely survives being lifted out of the water for even a short time. It lives in a lot of areas, including part of the Pacific Ocean, Red Sea, and along the east African coast, but it’s most common around Australia. At one point people worried that it was killing a lot of the coral in Australia’s great barrier reef, but under ordinary circumstances it actually helps maintain biodiversity in coral reefs by preying mainly on fast-growing coral. This allows slow-growing coral to flourish. Every so often, though, there’s a population boom among the crown-of-thorns starfish. Researchers aren’t sure why, and when it happens Australia has tried various population control measures to keep their numbers down and protect the reefs.

The pumpkin sea star is fat, thick, and orange. It’s big too, literally the size of a pumpkin. It’s also rare, and was only discovered in 1997. Even though it’s big, its skeleton is very small and it’s basically very meaty, which makes it look like a star-shaped orange throw pillow. Now I want a pumpkin starfish throw pillow. It lives in the Indo-Pacific up to about 650 feet deep, or 200 meters, but not much is known about it yet.

Luidia maculata has long, flattened arms that are brown and black striped above and white underneath, sometimes with a brown daisy pattern on its body disc. Seriously, who knew these things were so pretty? It lives in shallow water in the Indo-Pacific and often buries itself in the sand with the help of the long spines on the undersides of its legs. It doesn’t have an eversible stomach so it just swallows its prey whole, including sand dollars, sea urchins, clams, other starfish, sea cucumbers, and snails. Whatever’s left over after it has digested its prey, it spits out.

The sea daisy is a deep-sea animal described in 1986 after being discovered by accident. A team collecting samples of wood from the South Pacific seabed found nine of the strange creatures and didn’t know what they were. It’s small, only about 9 mm long, and is shaped roughly like an umbrella without a handle. Its upper surface is covered with plates with spines along the edges, and underneath it has a single row of tube feet and a membrane. Researchers at first decided the sea daisy was so different from other echinoderms that it needed its own class, but further study determined that it’s actually a type of starfish even though it has no arms and no stomach. In fact, it most closely resembles a juvenile starfish, but where starfish grow arms as they develop, the sea daisy never grows arms and instead grows outward along its circumference, like a wheel. It lives among wood that has sunk to the bottom of the ocean to a depth of at least 3300 feet, or 1,000 meters, and researchers think it may eat bacteria that grow on the wood. The membrane on its underside resembles an everted stomach.

Okay, one more. A starfish sometimes referred to as a slime star is covered with a soft, squishy, gelatinous surface. Its body is frequently almost transparent too. It usually lives in the deep sea, with new species found just about every time a deep-sea expedition scouts around on the sea floor. The largest are almost a foot across, or nearly 30 cm. Since they’re so delicate, it’s hard to study them, so not a lot is known about them. But there is a shallow-living species that has been studied a little more, and we know one important thing about them. If you pick up a slime star, it will secrete just ridiculous amounts of slime. This helps it keep from being eaten. The slime may also contain a soap-like toxin.

That brings us to our last question about starfish: can starfish kill you? No. No, they can’t. Even the crown-of-thorns starfish venom won’t kill you, just hurt like crazy for a few hours or as much as a week. The venom actually chemically resembles soap or detergent so isn’t very toxic to humans or other animals, but it does make the starfish taste bad.

Next, let’s look at brittle stars. Brittle stars look superficially like starfish and are closely related to them. Their legs are usually very long and slender, with the legs of some species growing up to two feet long, or 60 cm. The legs are supported by a skeleton made of plates called vertebral ossicles, which resembles a bike chain.

Brittle stars have five arms and a round central disc, with the legs much more differentiated from the disc than starfish legs are. They mostly scavenge for bits of food or eat worms and other small animals. They usually move slowly, but when they need to, they can really zoom around quickly. Their legs are extremely flexible and they can use them for swimming or crawling. Sometimes a brittle star will raise its body disc up and walk on its legs sort of like a spider, which is oddly creepy but also remarkably adorable. Look, I don’t mind telling you, I really like brittle stars. I barely knew what they were before I started researching them, but now I think they’re one of the best things ever.

Some brittle stars are bioluminescent, but only along their arms. Most species can regenerate their arms like starfish can, but not as well as starfish, and some species can’t regenerate at all.

Brittle stars are more freewheeling than their starfish cousins. For instance, one brittle star, Ophiocnemis marmorata, hitches rides on jellyfish. One 2017 study found that 79% of moon jellies examined hosted brittle stars, some riding inside the jellys’ bells, some riding in the tentacles near the oral arms. Larger jellies carry more brittle stars, while small ones usually only have a few. It turns out that the brittle stars steal food from the jellies, known as kleptoparasitism. They also gain some protection from living inside a jelly, and they get a free ride to new parts of the ocean. Researchers hypothesize that the brittle stars find their jelly hosts as larvae, ride around with it for a while, and drop off to live on the sea floor. Since the brittle star prefers tropical waters, it abandons its host jelly when it migrates into colder water.

Brittle stars are divided into two groups, brittle stars and basket stars. Brittle stars live all over and are especially common around coral reefs, but basket stars mostly live in deep water. While brittle stars have relatively simple, snakey arms, basket star arms are long and branched. Sometimes the branches of their arms are so elaborate, they look more like a kind of coral or like a tumbleweed sitting on the bottom of the ocean.

The biggest basket star we know of is probably Gorgonocephalus. There are at least ten species, and they can be hard to tell apart even by experts. Gorgonocephalus’s body disc can grow some 5 ½ inches across, or 14 cm, but its five net-like arms can grow over two feet long, or 70 cm. It’s white or yellowish in color, and its disc is often dark brown. During the day it hides among sponges and corals, but at night it comes out to hunt.

Basket stars mostly eat small animals like krill, jellyfish, and copepods that get tangled in their elaborately branched arms. The arms have hooks and spines all over them too. Basket stars will sit on a rock or a sponge or something similar, and extend their arms as though casting a net. When an animal strays into the net, the basket star carries it to the mouth on the underside of its body disc. And the mouth is full of spikes. Like many deep-sea animals, we don’t know a whole lot about basket stars and new species are discovered pretty frequently.

The last star we’ll look at this time is the feather star, but to learn about the feather star we also have to learn about the crinoid. If you’ve taken a geology class, you probably remember crinoid stem fossils. They’re incredibly common fossils, because crinoids used to be incredibly common animals. Pieces of crinoid stem fossils are sometimes called St. Cuthbert’s beads, and they’ve been used by humans to make jewelry for millennia.

In the past crinoids had five arms, but at some point each arm developed into two, so many modern crinoids have ten arms. In addition, some species have arms that branch. The arms have feathery appendages and tube feet coated with mucus, which helps trap tiny bits of food. Crinoids’ water vascular system is internal, unlike in starfish and brittle stars, which pump water in from outside.

Crinoids with stalks look like plants and are often called sea lilies. Some even have tiny rootlike filaments that help it attach to the sea floor or to rocks or other structures. The stem is slender with the cup-like body disc, called a calyx, and feathery arms at the top. Many species of crinoid have stems as juveniles, but become free-swimming when they reach maturity. Today some deep-sea crinoids can have stems a little over three feet long, or roughly a meter, but one fossil crinoid found had a stem 130 feet long, or 40 meters. But unlike true plants, crinoids can uproot themselves and move to a better location.

Most crinoids today are free-swimming, and these are the feather stars. They may have a vestigial stalk or may have no stalk at all. Most feather stars are sedentary, only crawling around for short distances, but some can swim with their arms. Many are brightly colored and absolutely beautiful.

I could keep talking about echinoderms for hours, but this episode is already getting long. Eventually I’ll do a follow-up episode about other echinoderms, like sea urchins. Until then, if you want to learn more about echinoderms I highly recommend a site called Echinoblog. It’s run by Dr. Chris Mah, a starfish expert, whose enthusiastic and informative posts about echinoderms really helped me learn to appreciate them. I’ll put a link in the show notes. Usually, the more I look at pictures of invertebrates, the more gross they seem, but the opposite is true for feather stars and brittle stars. They’re just gorgeous. Starfish, on the other hand, I would rather admire from afar.

You can find Strange Animals Podcast online at strangeanimalspodcast.com. We’re on Twitter at strangebeasties and have a facebook page at facebook.com/strangeanimalspodcast. If you have questions, comments, or suggestions for future episodes, email us at strangeanimalspodcast@gmail.com. If you like the podcast and want to help us out, leave us a rating and review on Apple Podcasts or whatever platform you listen on. We also have a Patreon if you’d like to support us that way.

Thanks for listening!

Episode 078: The Great Auk and Penguins

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Let’s learn about the great auk this week, along with some lookalike birds, penguins!

A great auk, as painted by Audubon:

A razorbill, the auk’s closest living relative:

A fairy penguin, so tiny:

An emperor penguin, so big:

Tony Signorini wearing his Hoax Shoes:

Show transcript:

Welcome to Strange Animals Podcast. I’m your host, Kate Shaw.

This week’s topic is one I’ve had on my list to cover for some time, and a couple of people whose names I forgot to write down also suggested. It’s the great auk, and while we’re at it we’re going to learn about penguins too.

Picture this bird in your mind. It’s big, close to three feet tall, or 85 cm, black with a white belly and white spots over the eyes during breeding season. It has a big dark bill and eats fish and crustaceans. Its feet are webbed and it’s flightless, because instead of flying, it swims, fast and agile in the water but clumsy on land. It’s social, nesting in big colonies and laying one egg, which both parents incubate. Both parents also help feed the chick when it hatches. Pairs mate for life. And it lives in cold waters of the North Atlantic from eastern Canada to Greenland and Iceland over to the western coast of Europe.

Wait a minute, you say, knowledgeably, because you know a thing or two about penguins. Penguins live in the southern hemisphere. What is going on??

The great auk is going on, my friend. And while the similarities between the great auk and the various species of penguin are striking, they’re not closely related at all. The great auk’s scientific name is Pinguinus impennis, and it was sometimes called a penguin, but the penguin is named after the auk because of the similarities between the two. The most obvious difference between the great auk and the penguin is the bill. Penguins have relatively small, sharp bills, but great auk bills were much larger and heavier, grooved and with a hook at the end.

So is the great auk still around? I sure made it sound like it was still around, didn’t I? Unfortunately, no. The last known great auks were killed on June 3, 1844, with a few sightings in the years after. The last probable sighting of a great auk was in 1852. But it had been a really common bird for a long time. What was it like, and what happened to it?

The great auk lived almost its whole life in the water. It only came out to breed and lay eggs, one egg per couple. Its babies grew fast and took to the sea when only a few weeks old, but the parents continued to feed their baby and care for it in the water. Sometimes a young auk would ride on its parent’s back as it swam.

It was incredibly at home in the water. It could hold its breath for something like 15 minutes, could dive deeply and swim so quickly that it could shoot up out of the water to land on ledges well above the ocean’s surface. Because of its swimming ability and its size, it wasn’t scared of very many animals. Polar bears, orcas, and a few other large predators sometimes ate it, but its main predator was these aggressive apes called humans. Maybe you’ve heard of them.

People killed the great auk for food, for feathers, and to use its skin and bones as decorative items. Its remains have been found at Neandertal campsites too. And because it was a large, plentiful bird, people hunted it and hunted it and hunted it. The great auk was already nearly extinct around Europe by the mid 16th century, since it was killed for its down, which was used to stuff pillows. Auk eggs were also collected for food. And as the bird became rarer, museums decided they had better get specimens while they could. The last great auks were killed so they could be stuffed and mounted.

So if there’s a great auk, is there a lesser auk? There is, and it’s still around! The little auk is only about 8 inches long, or 21 cm, but unlike the great auk it can fly. It eats small fish, crustaceans, and invertebrates. But the razorbill is a much closer relative.

The razorbill has a lot in common with the great auk but it’s much smaller, only up to 17 inches high, or 43 cm. It also flies. It was once hunted for its meat and feathers, but after it was protected in 1917 its numbers rebounded. Its primary problem these days is pollution of its breeding sites.

There was once a group of even bigger auks than the great auk. The Mancallinae were flightless and lived on the western North American coast. The largest species was Miomancalla howardae, which went extinct almost 5 million years ago. It stood more than three feet tall, or 1 meter, but was heavier and bulkier than the great auk.

As for penguins, fortunately, they’re still around although they’re all threatened due to pollution, habitat loss, and climate change. They have no natural fear of humans, probably because they have no land predators in Antarctica. Polar bears and walruses live near the Arctic, which is in the northern hemisphere, and sled dogs aren’t allowed in Antarctica. I did not know that until just now. I mean, I knew the polar bears and walruses part, not the dog part.

The smallest penguin is called the fairy penguin, and it’s only 16 inches tall at most, or 40 cm. It lives off the coast of Australia, New Zealand, and Chile. Its head is blue, which is why it’s also called the little blue penguin. Like other penguin species, it eats fish, cephalopods like squid, and crustaceans such as krill. It especially likes jellyfish.

The largest penguin is, of course, the emperor penguin, famous from March of the Penguins. If you haven’t seen that documentary, you’ll learn lots of things about emperor penguins and will also cry. The march in the  title is the migration the penguins take to breeding colonies, where they may walk over the ice up to 75 miles, or 120 km. Penguins are not very good at walking, either. Once they’ve reached the breeding colony, each female lays one small egg, which has a thick shell. The male has a brood pouch to keep the egg warm, basically a fold in his skin above his feet. The egg sits on his feet with the rest of it in the brood pouch. After that, the female leaves to go hunting, because making her egg takes a lot out of her and she needs to replace her body reserves. The male incubates the egg by himself.

It gets really cold in the Antarctic during winter. Seriously, really cold, as cold as -40 degrees. Negative 40 is the same temperature in Celcius and Fahrenheit, which is kind of neat. Emperor penguins choose breeding colonies that are protected from the wind as much as possible, but they still have to deal with wind gusts of 90 mph, or 145 km per hour. To withstand the cold, penguins have dense feathers and a thick layer of blubber. Males huddle together for warmth, with every penguin getting a turn to be on the inside of the crowd where it’s warmer, and spending their fair share of time on the edges of the crowd where it’s colder. During the two months after eggs are laid, males don’t eat anything. When his egg hatches, the male feeds the baby with crop milk, which you may remember from episode 19, about the dodo. Crop milk isn’t milk at all, but a nutritious substance formed from a parent bird’s esophagus. Only male emperor penguins produce crop milk.

A short time after the eggs hatch, female emperor penguins return from hunting. The female takes over care of the chick, feeding it with regurgitated food, so the male can leave to go hunting. Males and females trade off in this way for a couple of months, until the chick is old enough and big enough to be left alone for stretches.

The emperor penguin lives in Antarctica and can grow over four feet tall, or 130 cm, which is just ridiculously large. It can also weigh up to 100 lbs, or 45 kg. In other words, it’s as big as a small person and much bigger even than the great auk was. It’s a strong swimmer and can dive deeply—the deepest recorded dive was well over 1800 feet, or 565 meters, which is whale diving depth.

But the emperor penguin isn’t the biggest penguin that ever lived. Anthropornis went extinct around 33 million years ago, and it was a penguin that was actually the height of a tall human, some six feet tall, or 1.8 meters. It lived off the coast of what is now New Zealand and Antarctica. The New Zealand giant penguin probably lived around the same time as Anthropornis, and was around five feet tall, or 1.6 meters, but probably weighed more. Neither were direct ancestors of modern penguins, but they probably looked and acted very similar. Just, you know, enormous.

A newly discovered giant penguin, also from New Zealand, lived much earlier than the others. It was already almost five feet tall, or 1.5 meters, and well adapted to the water 61 million years ago. Remember that the Cretaceous-Paleogene extinction event occurred around 66 million years ago. Some researchers hypothesize that penguins had already begun evolving when dinosaurs were still alive, and that they survived the extinction event.

Another extinct penguin, one that was more directly related to modern penguins, lived around South America some 36 million years ago. Icadyptes was almost as tall as the other giant penguins and had a bill that was much longer and pointier than modern penguin bills, more like a heron’s bill. It also lived in much warmer waters than most modern penguins.

Back in the 1920s and 30s, when fossils of giant penguins were first described, they caught the public’s imagination. Giant penguins appeared in science fiction of the day, including Jules Verne and HP Lovecraft. Starting in February of 1948, people in Florida began finding enormous three-toed tracks in sand on a few beaches and along the Suwannee River. The footprints were over a foot long, or 35 cm, and the animal’s stride was measured at between 4 and 6 feet long, or 1.2 to 1.8 meters. Cryptozoologist Ivan T. Sanderson examined the tracks in November of 1948. After weeks of study he reported gravely that they’d been made by a penguin 15 feet tall, or 4.5 meters.

It turns out, though, that it was all a hoax. Two men named Tony Signorini and Al Williams had made gigantic iron feet they could wear as great big shoes, and walked in the sand overnight leaving trails of monstrous tracks ready to be discovered by beachcombers. They actually intended the tracks to be taken for dinosaur or sea monster footprints, but a giant penguin was even better. Each foot weighed about 30 lbs, or 13.5 kg, and Signorini used the weight to swing along in a sort of controlled bound that made his stride remarkably long without too much effort. Williams died in 1969 but Signorini didn’t come clean about the hoax until 1988.

He still has the feet.

You can find Strange Animals Podcast online at strangeanimalspodcast.com. We’re on Twitter at strangebeasties and have a facebook page at facebook.com/strangeanimalspodcast. If you have questions, comments, or suggestions for future episodes, email us at strangeanimalspodcast@gmail.com. If you like the podcast and want to help us out, leave us a rating and review on Apple Podcasts or whatever platform you listen on. We also have a Patreon if you’d like to support us that way.

Thanks for listening!

Episode 077: The Tratratratra, Lemur of Mystery!

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I swear I didn’t make up the word tratratratra! It’s a real word for an animal that was probably real, although it may be extinct now. Let’s learn about this Lemur of Mystery and some of its friends!

A mouse lemur:

An indri:

King Julian:

Further reading:

Lemur News

The Search for the Last Undiscovered Animals by Karl P.N. Shuker

Show transcript:

Welcome to Strange Animals Podcast. I’m your host, Kate Shaw.

This week we’re looking at an animal with a name I swear I’m not making up, the tratratratra. Seriously, it’s a real name. The animal itself…well, we’re not exactly sure.

Tratratratra is the name of an animal that was supposedly common in Madagascar when the Malagasy people settled there around 2000 years ago. It was described as a lemur about the size of a calf with a human face but hands more like a monkey’s. Supposedly it still lives on Madagascar in remote, hard-to-reach areas.

Madagascar is a big island off the coast of East Africa, with smaller islands around it. It has been isolated from both Africa and Asia for 88 million years, so many of its plants and animals are found nowhere else on earth. Lemurs are one example. There are over 100 known species and subspecies of lemur on Madagascar, but lemurs are found nowhere else in the world. Even more species of lemur have gone extinct since humans settled on the island, including one that might be the tratratratra.

First of all, what’s a lemur? If you’ve seen the movie Madagascar, you have a pretty good idea of what a lemur looks like, although you may overestimate the amount of dancing they do.

Technically the lemur is a primate, although it doesn’t look much like other primates at first glance. Different species can look radically different, of course, but in general they’re long-bodied animals with long tails and monkey-like hands and feet with nails instead of claws. They’re mostly social animals who eat plants and fruit, although some eat insects, arthropods, and other small animals. Most lemur societies are female-led. All are endangered due to habitat loss, poaching, and the illegal pet trade.

While we tend to think of apes and monkeys when we hear the word primate, the primate order contains many other types of animal. Lemurs belong to the Strepsirrhini suborder, which includes bushbabies, pottos, and lorises. Apes and monkeys belong to the Haplorhini suborder, along with tarsiers. Researchers think that the ancestors of lemurs migrated to Madagascar from Africa about 50 million years ago on rafts of vegetation. This sounds ridiculous since Madagascar is more than 300 miles, or 500 km, away from Africa at its closest point, and the prevailing winds and ocean currents push floating logs and other vegetation away from the island. But 60 million years ago the currents flowed the other way. By 20 million years ago, continental drift had pushed Africa and Madagascar farther north so that the currents changed to what they are now, which helped isolate the island even further.

The smallest lemur species is the mouse lemur, which is only 11 inches long including its tail, or 27 cm. The largest is the indri, which is a black and white animal with long legs but no tail, which grows to almost 2 ½ feet long, or 72 cm. In other words, even the biggest lemur alive today isn’t all that big. But that didn’t used to be the case.

When humans first settled on the island, there were three kinds of giant lemurs. Let’s take a quick look at them.

Monkey lemurs went extinct around 1500 years ago and probably spent most of their time on the ground. They weren’t huge, probably not any bigger than the indri. We don’t have very many monkey lemur remains so we don’t know much about it, but researchers think it primarily ate seeds, although it might have also eaten grass and leaves. Its limbs were short and powerful with short hands and feet. It had a heavy skull with big molars for grinding plant material. It probably went extinct mostly due to competition with introduced livestock like pigs.

Koala lemurs were bigger than the indri, up to five feet long, or 1.5 meters, and went extinct around 1000 years ago. Incidentally, one thousand years ago there was a terrible drought in Madagascar that caused crops to fail, lakes to dry up, and wildfires to start, and which contributed to many species going extinct. Anyway, the koala lemur was shaped more like a koala than a lemur. It lived its whole life in treetops, eating leaves, and it had some weird features for a primate. Its eyes were on the sides of its head like a rabbit’s or a horse’s, instead of in the front of its head like all other primates. Its snout was long and tapered, but it had a big nasal area that probably indicates an enlarged upper lip, maybe even partially prehensile, that helped it gather leaves. It was also heavier than all other lemurs, and some of the remains we have show evidence that they were butchered by humans to eat.

Finally, sloth lemurs probably ate plants, fruit, and nuts, and some species may have hung from branches the way sloths do. Instead of big claws for climbing, sloth lemurs had long fingers. There were a number of species, so let’s look at a few of them. Don’t worry, we’re getting closer and closer to the tratratratra.

Archaeoindris was the biggest lemur that we know of. It was the size of a gorilla, maybe even a little bigger, which would make it one of the largest primates that ever lived. Its skull was large and heavy, and it probably ate leaves. It may have occasionally climbed trees but probably spent most of its time on the ground. We don’t have any hand or feet bones so we don’t know if it had adaptations for climbing trees or for walking on the ground. It was already rare when humans first came to Madagascar and went extinct shortly afterwards.

Now we’re up to Palaeopropithecus ingens, and this may be our tratratratra. It wasn’t as big as Archaeoindris but it was still much bigger and heavier than the modern indri. It ate leaves, nuts, and seeds and probably spent a lot of time in the trees. Its arms and legs were powerful and it had long fingers and toes, which it used to hang from branches like a sloth. It had other adaptations, like curved arm and leg bones, that shows it was adept at climbing on, hanging from, and brachiating through tree branches. Even the hands were curved, so that the fingers were more like hooks. But it probably wasn’t a very fast mover, so was easily hunted by humans and would have provided a lot of meat.

According to Admiral Etienne de Flacourt in his 1658 history of Madagascar, the tratratratra is “a large animal like a calf of two years old, with a round head and the face of a man: the fore feet are like a monkey (or ape), and the hind feet also. It has curly or frizzy hair, a short tail and ears like those of a man. It resembles the ‘tanacht’ described by Ambroise Paré. It can be seen near the pond of the Lipomami tribe and in that region is where it can be found. It is a highly solitary animal, the people of that country have a great fear of it and flee from it as it also does from them.”

I got that quote from an article in Volume 15 of Lemur News, from 2010. I’ll put a link in the show notes for anyone who’s interested in lemurs, because it has lots of interesting information.

Palaeopropithecus ingens probably had a short tail like the still-living indri, which is a close relative. It probably also had rounded ears like the indri. And like the indri also, it may have had wavy or curly hair.

The tratratratra’s name probably came from its call, which might have been an alarm bark or a chattering sound. Many local lemur names do come from the animals’ calls. Some researchers consider the tratratratra’s name to be a fossil sound, and one of the very few we have.

We don’t know exactly when Palaeopropithecus went extinct. It might have been as recently as four hundred years ago, maybe even more recently. There have only been a few modern-day sightings of an animal that might be the tratratratra. A French forester in the 1930s saw what he claimed was a gorilla-like lemur with a human-like face, four feet tall, but that’s about it. So whatever the tratratratra might be, it’s probably extinct by now. But maybe it’s hanging on in the forested hills north of Tulear, where the last fragments of Madagascar’s original forests remain.

There is an interesting Malagasy tradition reported in 2003 about an ogre with the face of a human, which was helpless on smooth rocks. Since Palaeopropithecus was so well adapted to living in trees, like modern sloths it probably couldn’t walk on the ground very well. So even if the tratratratra is extinct, its memory lives on in modern culture.

The tratratratra isn’t the only mystery lemur in Madagascar. The kidoky is supposed to be a big lemur with dark fur but a couple of white spots on its face. It has a rounded face, a loud whooping call, and spends at least part of the time on the ground. When it runs, its gait is more like a baboon’s than a lemur’s.

Some people think the kidoky might be one of the giant lemur species that are supposedly extinct. Zoologist Karl Shuker suggests Archaeolemur or Hadropithecus as possible identities, both of which spent a lot of time on the ground. In fact, they resemble baboons in so many ways that they’re both known as baboon lemurs. But Hadropithecus went extinct around 1200 years ago and Archaeolemur around 800 years ago, as far as we know. But an ethnographic survey published in 1998 reports one native villager who saw a kidoky in 1952 at close range.

The tokandia is another mystery lemur, this one even bigger than the kidoky—as big as a bear. Not that they have bears in Madagascar. It’s supposed to live mostly on the ground but sometimes it would jump up into trees. It didn’t look like a human but its calls sounded like they were made with a human voice. Again, Shuker suggests it might be a koala lemur, specifically Megaladapis edwardsi—you know, the one that could grow five feet long, or 1.5 meters.

The kalanoro is a more human-like creature from folklore, usually described as a small person who steals food. Some stories say it lives in the water. If it’s based on a real animal and isn’t just the Malagasy version of little folk common throughout the world’s cultures, it might be based on a type of lemur.

One last note. In the quote earlier about the tratratratra, de Flacourt mentions an animal called the tanacht. Is it another type of lemur? Is there no end to lemur mysteries?

It’s not a lemur, no. A French priest called Father André Thévet wrote about the tanacht in 1575, but he said it lived in India. It was supposedly the size and roughly the shape of a tiger, but it didn’t have a tail, and it did have the face and hands of a human with a snub nose. It might have been a species of Asian colobine monkey such as the pig-tailed langur, which can have orangey or golden fur and only has a short tail, or it might have been a stump-tailed macaque, which has pale brown fur and no tail. But neither of those monkeys are anywhere near as big as a tiger, so who knows what the tanacht might actually be?

But for now, I’m primated out, so check back next week for an episode that’s not about primates!

You can find Strange Animals Podcast online at strangeanimalspodcast.com. We’re on Twitter at strangebeasties and have a facebook page at facebook.com/strangeanimalspodcast. If you have questions, comments, or suggestions for future episodes, email us at strangeanimalspodcast@gmail.com. If you like the podcast and want to help us out, leave us a rating and review on Apple Podcasts or whatever platform you listen on. We also have a Patreon if you’d like to support us that way.

Thanks for listening!

Episode 076: The Orang Pendek

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This week we’re back to Sumatra, that island of mystery, to learn about a mysterious ape called the orang pendek.

A beautiful Sumatran orangutan:

This orangutan and her baby have won all the bananas:

This picture made me DIE:

An especially dapper siamang, a type of gibbon:

Here’s a walking siamang:

The sun bear, looking snoozy:

The sun bear, standing:

Further reading:

These are the articles where I got my quotes.

This one has some general information.

This one is by Debbie Martyr herself.

Show transcript:

Welcome to Strange Animals Podcast. I’m your host, Kate Shaw.

The island of Sumatra is a place that keeps popping up in our episodes. We’ve barely scratched the surface of weirdness in Sumatra and nearby islands, but this week’s episode is about a Sumatran mystery ape called the orang pendek. That means “short person” in Indonesian.

The story goes that a human-like ape lives in the forests of western Sumatra. It walks on two legs, has short black, gray, or golden fur on its body with longer hair on its head, human facial features, and is shorter than a human but not by much. The people of the remote Sumatran villages where the orang pendek is reported say that it’s enormously strong, and has small feet and short legs but long arms. It mostly eats plants and will raid crops occasionally, but it also eats insects, fish, and river crabs.

Many people think the first report of the orang pendek outside of the Sumatran people is from a 14th century traveler called John of Florence, who visited China around 1342 and many other countries afterwards, including either Java or Sumatra. He reported seeing hairy men who lived on the edges of the forest, but since he also said that the hairy men planted crops and traded with the locals, it’s possible he was talking about a tribe of people who lived on the outskirts of mainstream society.

The various native groups in Sumatra have stories of creatures that sound like the orang pendek, including a demon-like entity called the hantu pendek, which means short ghost. But as I’ve said before in other episodes, it’s a mistake to treat folktales as if they were scientific observations. People tell stories for lots of reasons, only one of which is imparting knowledge about a particular animal. Plus, those aren’t the only stories of strange people told in the area. There are stories of giants, of people with tails, and many others. For instance, the orang bati is a bat-winged man that’s supposed to live in extinct volcanic craters in Seram, Indonesia, and who flies out at night and steals babies.

The Dutch colonized Indonesia in the early 19th century, around 1820, after centuries of varying levels of control in what was known as the Dutch East Indies. Colonists reported seeing apes or strange small people in the forest too. One fairly typical report is this one from 1917, from a Mr. Oostingh, who saw what he took to be a man sitting on the ground in the forest about 30 feet away from him, or nine meters. He said,

“His body was as large as a medium-sized native’s and he had thick square shoulders, not sloping at all. The colour was not brown, but looked like black earth, a sort of dusty black, more grey than black.

“He clearly noticed my presence. He did not so much as turn his head, but stood up on his feet: he seemed quite as tall as I. Then I saw that it was not a man, and I started back, for I was not armed. The creature took several paces, without the least haste, and then, with his ludicrously long arm, grasped a sapling, which threatened to break under his weight, and quietly sprang into a tree, swinging in great leaps alternately to right and to left.”

Expeditions in the 1920s and 1930s found nothing out of the ordinary. Interest trailed off until around 1990, when a journalist named Debbie Martyr decided she was going to get to the bottom of the mystery. She had traveled to Sumatra in 1989 for a story she was writing, and while she was there she learned about the orang pendek. She spent the next fifteen-odd years interviewing witnesses and setting up camera traps, but without uncovering any proof. She did spot what she thought might be an orang pendek at least once, but got no clear photos, no remains, no conclusive footprints. Martyr states that the ape she saw had much different proportions than an orangutan, much more human-like.

Other people have searched for the orang pendek too, also without success. National Geographic set up camera traps between 2005 and 2009 without getting any photos of unknown apes. One expedition found some hairs that they later sent for DNA testing, but the results were inconclusive due to the hairs’ poor quality and possible human contamination.

Interest in the orang pendek spiked after remains of the Flores little people were found in 2003, and after anthropologists made connections between those remains and local stories about small, mischievous people called the ebo gogo. As you may remember if you’ve listened to episode 26, researchers initially thought the Homo floresiensis remains were only some 12,000 years old. More recent studies have pushed this back to around 50,000 years old. But the island of Flores is not all that far from the island of Sumatra, so it’s not out of the question that the Flores little people also lived on other islands.

Sumatra is a big island with a lot of animal and plant species found nowhere else in the world. It’s certainly a big enough island to hide a population of shy apes or small human relations. But the only proof we have that the orang pendek exists, after a couple of decades of intensive searching, are a bunch of witness reports, some blurry photos and video, inconclusive plaster casts of footprints, and some ape hairs too degraded for DNA testing. If the orang pendek was a real animal, no matter how elusive, you’d think we’d at least have one good clear photo by now.

There have been hoaxes in the past. A “young orang pendek” turned out to be a dead langur monkey with its tail cut off. A video released in 2017 that purports to show a group of motorbikers who startle an orang pendek is probably a hoax. I’ve sent an alert to Captain Disillusion. If he covers the video I’ll let y’all know.

Despite the hoaxes and the lack of evidence, people are obviously seeing something. Witnesses include forest rangers, zoologists, hunters, and other people who know the local animals well. So what could they be seeing? Let’s take a look at some of the animals of Sumatra that might be mistaken for an orang pendek, at least some of the time.

The orang pendek is supposed to have small feet, about the size and shape of a human child’s foot. This sounds like the tracks of the Malayan sun bear. In fact, a footprint found in 1924 that was supposed to belong to an orang pendek was identified as that of a sun bear once it was seen by an expert.

The sun bear has sleek black fur, although some are gray or reddish, and a roughly U-shaped patch of fur on its chest that varies in color from gold to almost white to reddish-orange. Its muzzle is short and its ears are small. It’s the world’s smallest bear, only around three feet long from head to tail, or 150 cm, and four feet tall when standing on its hind legs, or 1.2 meters. It has long front claws that it uses to climb trees and tear open logs to get at insect larvae, which it licks up with its long tongue. It also eats a lot of plant material, especially fruit. It’s mostly nocturnal.

Orangutans also live on the island, but currently only in the northern part of the island, although they lived all over Sumatra and in Java until the end of the 19th century. The Sumatran orangutan is one of only three orangutan species in the world, and is critically endangered due to habitat loss. It’s slenderer than the other species, with pale orange fur. Like the sun bear, it eats a lot of insects and fruit; unlike the sun bear, it uses tools it makes from sticks to gather insects, honey, and other foods more easily. It also uses large leaves as umbrellas. It communicates not by sound, like other orangutans, but by gestures. In short, it sounds like a pretty awesome ape. Orangutan means “forest person,” if you were wondering.

Other apes and monkeys live on the island too, including several species of gibbon. Gibbons are apes, but they’re not considered great apes, only lesser apes. They look more like monkeys, although they don’t have tails. They’re also fairly small, generally about two feet long, or 60 cm, and quite slender. They live in the treetops and swing from branch to branch, which is called brachiation. Orangutans brachiate sometimes too, but they’re much heavier than gibbons and move much more slowly and cautiously. Gibbons can move. They also have loud voices and melodic calls.

The Siamang, a type of gibbon, has a throat pouch called a gular sac which, when inflated with air, enhances the voice and helps it resonate. Family groups of siamangs sing together. The siamang has shaggy black fur and is a little larger than other gibbons, around 3 feet tall, or one meter. Its arms are long, its legs short, and it mostly eats plants, especially fruit, although it also eats insects. Like orangutans and many other animals on Sumatra, it’s threatened by habitat loss.

There’s one thing that the sun bear, the orangutan, and the siamang all sometimes do that is suggestive of the orang pendek. All three sometimes walk on their hind legs. Bears usually only stand on their hind legs to get a better view of something, but they can certainly walk on their hind legs if they want to. While the orangutans of Sumatra spend most of their time in trees, since the Sumatran tiger likes to eat orangutans, it can and does come down to the ground sometimes. Males in particular sometimes walk upright for short distances. Siamangs walk upright along branches, and occasionally on the ground, usually with their long arms held above their heads for balance but not always.

So we have three animals that when seen clearly, really don’t look much like the orang pendek is supposed to look. None have especially human faces, although I’ve just spent half an hour looking at pictures of orangutans and siamangs, and those are some handsome apes. But they all have a number of features that sound like orang pendek features. They’re all the right size, they can all walk upright, their fur is black, gray, or golden, and they eat the things the orang pendek is supposed to eat.

At least some orang pendek sightings are mistaken identity of these three animals, I guarantee it. Even the most knowledgeable zoologist or forest ranger can make a mistake, especially if they only catch a glimpse of the animal or see it in poor light. And, as I often point out, people tend to see what they expect to see. In a 1993 article, Debbie Martyr herself says that when she first started studying the orang pendek sightings, people in Sumatra laughed at the thought that the orang pendek was a real animal. But, she writes, “Times have changed in Sumatra. The officials of the Kerinci Seblat have become, if not converts to the orang pendek cause, then at least openly curious about the animal. Pak Mega Harianto, director of the park, admitted, ‘We now have too many sightings, from all over the national park. It is always the same animal. Always the same description.’”

In other words, as the legend becomes more and more popular, more and more people report seeing a mystery animal that fits the orang pendek’s description. And yet, there is no more proof now than there was in 1925 of the animal’s existence.

That doesn’t mean there isn’t an unknown ape living in Sumatra, of course. I just don’t think that’s what people are seeing. It would be fantastic if the orang pendek did turn out to be a real animal. It would focus more attention on the loss of rainforest and other habitats in Sumatra, and would probably bring more tourists to the island, which would help the local economy. But until someone actually finds a body or captures a live orang pendek, I have to remain skeptical.

I’m sure we’ll revisit Sumatra and other parts of the Malay Archipelago soon to learn about other little-known and mystery animals. Until then, remember that you now know at least one word of the Indonesian language. ‘Orang’ means person, whether it’s an ape-type person or a ghost-type person.

You can find Strange Animals Podcast online at strangeanimalspodcast.com. We’re on Twitter at strangebeasties and have a facebook page at facebook.com/strangeanimalspodcast. If you have questions, comments, or suggestions for future episodes, email us at strangeanimalspodcast@gmail.com. If you like the podcast and want to help us out, leave us a rating and review on Apple Podcasts or whatever platform you listen on. We also have a Patreon if you’d like to support us that way.

Thanks for listening!

Episode 075: Archelon and Other Giant Sea Turtles

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This week we’re going to find out about the biggest turtles that ever lived! Spoiler: one of them is alive right now, swimming around eating jellyfish.

A green sea turtle. These guys are adorable:

A hawkbill glowing like a neon sign!

The majestic and enormous leatherback:

Bebe leatherback. LET ME GOW

Seriously, how are baby sea turtles so darn cute?

Archelon was a big tortle:

Further reading:

This is a link to a pdf of that “Historicity of Sea Turtles Misidentified as Sea Monsters” article

Show transcript:

Welcome to Strange Animals Podcast. I’m your host, Kate Shaw.

This week we’re back in the sea, but not the deep sea this time, because we’re looking at marine turtles!

The oldest known turtle ancestor lived around 220 million years ago, but it wouldn’t have looked a whole lot like a modern turtle. For one thing, it had teeth instead of a bill. It resembled a lizard with wide ribs that protected its belly. It lived in the ocean, probably in shallow inlets and bays, but it may have also spent part of its time on land. Some researchers think it may have had at least a partial shell formed from extensions of its backbone, but that this didn’t fossilize in the three specimens we have.

The oldest sea turtle fossil found so far has been dated to 120 million years old. It was seven feet long, or 2 meters, and already showed a lot of the adaptations that modern sea turtles have. Researchers think it was closely related to the green sea turtle and the hawksbill sea turtle.

Seven species of sea turtle are alive today. They all have streamlined shells and flippers instead of feet. They all breathe air, but they have big lungs and can stay underwater for a long time, up to about an hour while hunting, several hours when asleep or resting. Like whales, they surface and empty their lungs, then take one huge breath. They can see well underwater but can probably only hear low-frequency sounds.

Sea turtles have a special tear gland that produces tears with high salt concentration, to release excess salt from the body that comes from swallowing sea water. They migrate long distances to lay eggs, thousands of miles for some species and populations, and usually return to the same beach where they were hatched. Female sea turtles come ashore to lay their eggs in sand, but the males of most species never come ashore. The exception is the green sea turtle, which sometimes comes ashore just to bask in the sun. Once the babies hatch, they head to the sea and take off, swimming far past the continental shelf where there are fewer predators. They live around rafts of floating seaweed call sargassum, which protects them and attracts the tiny prey they eat.

Six of the extant sea turtles are relatively small. Not small compared to regular turtles, small compared to the seventh living sea turtle, the leatherback. More about that one in a minute. The other six are the green, loggerhead, hawksbill, Kemp’s ridley and Olive ridley, and the flatback.

Let’s start with the green sea turtle, since I just mentioned it. Its shell is not always green. It can be brown or even black depending on where it spends most of its life. Green turtles that live in colder areas of the Pacific have darker shells, which probably helps them stay warm by absorbing more heat from sunlight. Young turtles have darker shells than old turtles for the same reason.

The green sea turtle can grow up to five feet long, or 1.5 meters, can live some 80 years, and mostly eats plants, especially seagrass, although babies eat small animals like worms, jellyfish, and fish eggs. A recent satellite tracking study of green sea turtles in the Indian Ocean tracked the turtles to a huge underwater seagrass meadow that no human realized existed until then. The meadows were farther underwater than the ones researchers knew about, up to 95 feet deep, or 29 meters. Researchers think the seagrass can grow at these depths because the water is so clear in the area, which means more light for the plants.

Unlike the green sea turtle, which lives throughout much of the world’s oceans, the flatback sea turtle is only found around Australia. It’s greenish or grayish and only grows around 3 feet long, or 95 cm, and eats invertebrates of various kinds, including jellyfish, shrimp, and sea cucumbers. It stays near shore in shallow water and doesn’t migrate, so it’s mostly safe from getting tangled in commercial fishing nets that kill a lot of other sea turtle species.

The smallest sea turtle is the olive ridley, which only grows around two feet long, or 60 cm. Its shell is roughly heart-shaped and is usually olive green. It mostly lives in tropical waters and is the most common sea turtle of all the living species, but getting rarer. It likes warm, shallow water and eats small animals like snails, jellyfish, and sea urchins.

Kemp’s ridley sea turtle is closely related to the olive ridley, and is not much larger. It grows to around 28 inches long, or 70 cm, and eats the same things as the olive ridley. It also likes the same warm, shallow waters, but it nests exclusively along the Gulf Coast of North America. Oil spills in the Gulf have killed so many turtles that the species is now listed as critically endangered. Conservationists sometimes remove eggs to safer, cleaner beaches where babies are more likely to hatch and survive. Besides oil spills and other types of pollution, Kemp’s ridley sea turtles are often killed when they get tangled in shrimp nets and drown. Fortunately, shrimp trawlers in the Gulf now use turtle excluders, which help keep turtles from getting tangled.

The hawksbill sea turtle grows to around three feet long, or 1 meter, and lives around tropical reefs. It has a more pointed, hooked beak than other sea turtles, which gives it its name. You might think it eats fish or something with a beak like that, but mostly it eats jellyfish and sea sponges. It especially likes the sea sponges, some of which are lethally toxic to most other animals. It also doesn’t have a problem eating even extremely stingy jellies and jelly-like animals like the Portuguese man-o-war. The hawkbill’s head is armored so the stings don’t bother it, although it does close its eyes while it chomps down on jellies. People used to kill hawksbill sea turtles for their multicolored shells, but don’t eat them. Its meat can be toxic due to the toxins it ingests.

The hawksbill is also biofluorescent! Researchers only found this out by accident in 2015, when a team studying biofluorescent animals in the Solomon Islands saw and filmed a hawksbill glowing like a UFO with neon green and red light. Researchers still don’t know why and how the hawksbill glows. They think the red color may be emitted by certain algae that grow on hawksbill shells, but the green appears to be emitted by the turtle itself. Since the hawksbill lives mostly around coral reefs, where many animals biofluoresce, researchers hypothesize it might be a way for the turtle to blend in. If everyone’s glowing, the big turtle-shaped spot that isn’t glowing would give it away. Then again, since male turtles glow more brightly than females, researchers also think it may be a way to attract mates.

Finally, the loggerhead sea turtle grows to a little longer than three feet, or 95 cm, and its shell is usually reddish-brown. It lives throughout the world’s oceans and while it nests in a lot of places, many loggerheads lay their eggs on Florida beaches. It eats invertebrates like bivalves and sponges, barnacles and jellyfish, starfish, plants, and lots of other things, including baby turtles. Its jaws are powerful and it has scales on its front flippers that stick out a little, called pseudoclaws, which allow it to manipulate its food or tear it into smaller pieces.

All sea turtles are endangered and are protected worldwide, although some countries enforce the protection more than others. Some people still eat sea turtles and their eggs, even though both can contain bacteria and toxic metals that make people sick. But mostly it’s habitat loss, pollution, and fishing nets and longlines that kill turtles.

People want to build houses on the beach, or drive their cars on the beach, and that destroys the habitat female turtles need to lay their eggs. Turtles also get stuck in fishing equipment and drown. And there’s so much plastic floating around in the sea that all sorts of animals are affected, not just turtles. A floating plastic bag or popped balloon looks like a jellyfish to a sea turtle that doesn’t know what plastic is. A turtle can eat so much plastic that its digestive system becomes clogged and it dies. One easy way you can help is to remember your reusable bag when you go shopping. The fewer plastic bags that are made and used, the fewer will find their way into the ocean. Some countries have banned plastic shopping bags completely.

Now let’s talk about the leatherback turtle. It’s much bigger than the others and not very closely related to them. It can grow some nine feet long, or 3 meters, and instead of having a hard shell like other sea turtles, its carapace is covered with tough, leathery skin studded with tiny osteoderms. Seven raised ridges on the carapace run from head to tail and make the turtle more stable in the water, a good thing because leatherbacks migrate thousands of miles every year. Not only is the leatherback the biggest and heaviest turtle alive today by far, it’s the heaviest living reptile that isn’t a crocodile. It has huge front flippers, is much more streamlined even than other sea turtles, and has a number of interesting adaptations to life in the open ocean.

The leatherback lives throughout the world, from warm tropical oceans up into the Arctic Circle. It mostly eats jellyfish, so it goes where the jellyfish go, which is everywhere. It also eats other soft-bodied animals like squid. To help it swallow slippery, soft food when it doesn’t have the crushing plates that other sea turtles have, the leatherback’s throat is full of backwards-pointing spines. What goes down, will not come back up, which is great when the turtle swallows a jellyfish, not so great when it swallows a plastic bag.

The leatherback can dive as deep as 4,200 feet, or almost 1,300 meters. Even most whales don’t dive that deep. But it’s a reptile, so how does it manage to survive in such cold water, whether in the Arctic Ocean or nearly a mile below the water’s surface?

The leatherback’s metabolic rate is high to start with, and it swims almost constantly. Its muscles generate heat as they work, which keeps the turtle’s body warmer than the surrounding water, as much as 30 degrees Fahrenheit warmer, or 18 degrees Celsius. Its flippers and throat also use a system called countercurrent heat exchange, where blood that has been chilled by outside temperatures returns to the heart in veins that surround arteries containing warm blood flowing from the heart. By the time the cool blood reaches the heart, it’s been warmed by the arterial blood. This keeps heat inside the body’s core.

Unlike other sea turtle species, leatherbacks don’t necessarily return to the same beach where they were hatched to lay their eggs. Females usually nest every two or three years and lay about 100 eggs per nest. No one is sure how long leatherbacks live, but it may be a very long time. Most turtles have long lifespans, and many sea turtle species don’t even reach maturity until they’re a couple of decades old.

One interesting thing about sea turtles, which is also true of many other reptiles, is that the temperature of the egg determines whether the baby turtle will develop into a male or female. Cooler temperatures produce mostly male babies, warmer temperatures produce mostly female babies. This is pretty neat, until you remember that the global temperature is creeping up. A new study of sea turtles around Australia’s northern Great Barrier Reef found that almost all baby turtles hatching there are now female—up to 99.1% of all babies hatched. Another study found the same results in sea turtle nests in Florida, where 97 to 100% of all babies are female. The studies also found that the amount of water in the nest’s sand also contributes to whether babies are male or female, with drier nests producing more females. Researchers are considering incubating some nests in climate-controlled rookeries to ensure that enough males hatch and survive to produce the next generation.

So those are the seven types of sea turtle alive today. Now let’s talk about an extinct sea turtle, a relative of the leatherback. This is archelon, and it was huge.

Archelon was the biggest turtle that has ever lived, as far as we know. The first fossil archelon was discovered in 1895 in South Dakota, in rocks that were around 75 million years old. The biggest archelon fossil ever found came from the same area, and measures 13 feet long, or 4 meters. It’s even broader from flipper to flipper, some 16 feet wide, or 5 meters. It lived in the shallow sea that covered central North America during the Cretaceous, called the Western Interior Seaway. I like that name. Its shell was leathery and probably flexible like the leatherback’s, but unlike the leatherback, it wasn’t teardrop shaped. In fact, it was very round. Since it lived at the same time as mosasaurs, its wide shell may have kept it from being swallowed by predators. It probably ate squid and jellyfish like the leatherback, and researchers think it was probably a slow swimmer. It went extinct at the same time as the dinosaurs, but fortunately its smaller relations survived.

We don’t know if that 13-foot-long archelon was an unusually large specimen, an average specimen, or a small specimen. It was probably on the large size, but it’s a good bet that there were larger individuals swimming around 75 million years ago. We don’t know if leatherbacks occasionally get bigger than nine feet long, for that matter. But we do have reports of sea turtles that are much, much bigger than any sea turtles known.

In August of 2008, a 14-year-old boy snorkeling in Hawaii reported swimming above a sea turtle that was resting on the bottom of a lagoon. He estimated the turtle was eight to ten feet across with a round shell. At the time he didn’t realize that was unusual. He also reported seeing a geometric pattern on the shell, which is not a feature of the leatherback or archelon but is present in other sea turtles. So if his estimation of size is correct, he saw a sea turtle far bigger than any living today.

In 1833, a schooner off the coast of Newfoundland came across what they thought was an overturned boat. When the crew investigated, they discovered it wasn’t a boat at all but an enormous leatherback turtle, which they reported was 40 feet long, or 12 meters.

Many sea serpent sightings may actually be misidentifications of sea turtles. Sea turtles do have relatively long necks which they can and do raise out of the water. A long neck with a small head sticking out of the water, with a hump behind it, describes a lot of sea serpent reports. It’s also possible that some sea serpent reports are actually sightings of sea turtles entangled with fishing nets and other debris that the turtle drags with it as it swims, which may look like a long snake-like tail behind a humped body.

For instance, in 1934 some fishermen off the coast of Queensland, Australia spotted what they thought was a sea serpent. I’ll quote the description, which is from an article with the lengthy title of “Historicity of Sea Turtles Misidentified as Sea Monsters: A Case for the Early Entanglement of Marine Chelonians in Pre-plastic Fishing Nets and Maritime Debris” by Robert France. I’ll put a link in the show notes in case you want to read the article, if I can find it again. I printed it out so I could keep it.

Anyway, the fishermen reported that the sea serpent looked like this:

“The head rose about eight feet out of the water, and resembled a huge turtle’s head…the colour was greyish-green. The eye…was small in comparison to the rest of the monster. The other part in view was three curved humps about 20 feet apart, and each one rose from six feet in the front to a little less in the rear. They were covered with huge scales about the size of saucers, and also covered in barnacles. We could not get a glimpse of the tail, as it was under the water.”

Robert France suggests that this was a sea turtle entangled with a string of fishing gear, specifically fishing floats. He also gives a number of other examples dating back hundreds of years. Fortunately for sea turtles and other animals in the olden days, most fishing nets were made from rope, usually hemp and sometimes cotton, which eventually rotted and freed the animal, if it survived being entangled for months on end.

So if you live around the ocean, or any kind of water for that matter, make sure to pick up any litter you find, especially plastic bags. You could save a lot of lives. Who knows, maybe the sea turtle you save from eating that one fatal plastic bag will grow up to become the biggest sea turtle alive.

As a companion piece to this episode, Patreon subscribers got an episode about the Soay Island Sea Monster sighted in 1959, which was probably a sea turtle of some kind. Just saying.

You can find Strange Animals Podcast online at strangeanimalspodcast.com. We’re on Twitter at strangebeasties and have a facebook page at facebook.com/strangeanimalspodcast. If you have questions, comments, or suggestions for future episodes, email us at strangeanimalspodcast@gmail.com. If you like the podcast and want to help us out, leave us a rating and review on Apple Podcasts or whatever platform you listen on. We also have a Patreon if you’d like to support us that way.

Thanks for listening!

Episode 074: Colossal Squid and the Things That Eat Them

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We’re going to learn about the colossal squid in this episode, with bonus info about the giant squid…and then we’re going to learn about the massive things that eat this massive squid!

A giant squid, looking slightly guilty for eating another squid:

A colossal squid, looking less than impressive tbh:

THAT EYEBALL:

A sperm whale looking baddass:

A southern sleeper shark, looking kind of boring:

Show transcript:

Welcome to Strange Animals Podcast. I’m your host, Kate Shaw.

This week we’re going to learn first about the colossal squid, and then we’re going to learn about what eats the colossal squid.

You’ve probably heard of the giant squid, but maybe you haven’t. Let’s start with it, because the giant squid and the colossal squid are both massive, amazing deep-sea animals.

Stories of huge squid go back to ancient times. Aristotle and Pliny wrote about it, the legend of the kraken may be at least partially inspired by it, and sailors have told stories about it for time out of mind. Naturalists of the mid-19th century knew it must exist because whalers had found enormously long tentacles and huge beaks in sperm whale stomachs. But except for the occasional badly damaged specimen washed up on shore, no one had seen a giant squid. Certainly no one had seen a living giant squid.

It wasn’t until 2001 that a live giant squid was caught on film, and then it was only a larval squid. In 2002 a live adult giant squid was caught off the coast of Japan. It wasn’t especially big, just 13 feet long, or 4 meters, but up until then an adult giant squid had never been captured or even photographed. Its body is now on display at the National Science Museum of Japan. It wasn’t until 2004 that a research team got photographs of a live giant squid in its natural habitat, also off the coast of Japan. Since then researchers have taken more photographs and footage of giant squid, and we’re starting to learn more about it.

Squids in general have a body called a mantle, with small fins at the rear and eyes near the base above the arms, eight arms, and two long tentacles. The arms and tentacles are lined with suction cups that contain rings of serrated chitin, which allows the squid to hang on to its prey. Chitin is the same stuff lobster shells and fish scales are made of. It’s the invertebrate version of keratin. In the middle of the arms, at the base of the mantle, is the squid’s mouth, which looks for all the world like a gigantic parrot beak, also made of chitin. Instead of actual teeth, the squid has a radula, which is basically a tongue studded with chitinous teeth that it uses to shred its prey into pieces small enough to swallow.

Most of the length of a giant squid comes from its tentacles. Researchers estimate that the longest giant squid’s mantle is about 7 ½ feet long, or 2.25 meters. The longest giant squid’s mantle and arms together reach around 16 feet long, or 5 meters. That’s still pretty huge, but it’s not until you add in the tentacles that the length just gets ridiculous. The longest giant squid known—and this is an estimate based on the size of the biggest beak ever found—was 43 feet, or 13 meters. Females are typically much bigger than males and can weigh twice as much.

The giant squid is a deep-sea animal, probably solitary, and eats fish and smaller squid, including other giant squid. It’s an active hunter and catches prey by grabbing it with its super-long tentacles, reeling it in to hold it more securely with its arms, then biting it with its beak and shredding it into pieces with its radula.

The giant squid has the largest eye of any living animal, as big as 11 inches in diameter, or 27 cm. Since it mostly lives in the deep sea, it probably needs such big eyes to see bioluminescent light given off by the animals it eats and to detect predators. Only ichthyosaurs had larger eyes. Well…except for the colossal squid, which may have eyes even bigger than the giant squid’s.

So if the giant squid can grow to some 43 feet long, is the colossal squid even longer? Only a little. Researchers estimate the colossal squid can grow to around 46 feet long, or 14 meters, but it has shorter tentacles and a much longer mantle than the giant squid so is an overall much bigger and heavier animal.

But that size estimate is only that, an estimate. We know very little about the colossal squid. It was first described from parts of two arms found in the stomach of a sperm whale in 1925, and for more than 50 years that was pretty much all we had. Then a Russian trawler caught an immature specimen in 1981 off the coast of Antarctica. Since then researchers have been able to study a few other specimens caught or found dead, mostly from the Antarctic seas.

As far as we know, the colossal squid is an ambush predator rather than an active hunter like the giant squid. It lives in the deep seas in the Southern Ocean, especially around Antarctica, as far down as 7,200 feet or 2.2 km beneath the surface of the ocean, and it mostly eats fish. While its tentacles are much shorter than the giant squid’s, they have something the giant squid does not. Its suckers have hooks, some of them triple-pointed and some of which swivel. When it grabs onto something, it is not going to let go until somebody gets eaten.

The largest colossal squid ever found was caught in 2007 in the Antarctic. It was caught by a trawler when they hauled in a fishing line. The squid was eating an Antarctic toothfish caught on the line and wouldn’t let go, so the fishermen hauled it aboard in a net and froze it. It was 33 feet long, or ten meters, and by the time it was thawed out for study, its tentacles had shrunk so that it was even shorter. Its eye was 11 inches across, or 27 cm, but when the squid was alive its eye was probably bigger, maybe as much as 16 inches across, or 40 cm—in which case, it wins the biggest eye category and deserves a trophy. With an eyeball on it.

So if the biggest colossal squid we’ve ever seen is only 33 feet long, how do we know it can grow to 46 feet long? Because whalers have found colossal squid beaks in the stomachs of sperm whales that are much larger than the 33-foot squid’s beak.

And that brings us to the first predator of the colossal squid, the sperm whale. Lots of things eat young colossal squids, from fish and albatrosses to seals and bigger squids, but today we’re talking about predators of full-grown colossal squid. There aren’t many. In fact, there are only two that we know of.

The sperm whale eats pretty much anything it wants, frankly, but mostly what it wants is squid. It eats both giant and colossal squid, and we know because squid beaks aren’t digestible. They stay in the whale’s stomach for a long time. Specifically they stay in the whale’s second stomach chamber, because sperm whales have a four-chambered stomach like cows and other ruminants do. Sometimes a whale will puke up squid beaks, but often they just stay in the stomach. Some whales have been found with as many as 18,000 squid beaks in their stomachs. 18,000! Can you imagine having 18,000 of anything riding around in your stomach? I wouldn’t even want 18,000 Cap’n Crunches in my stomach and I really like Cap’n Crunch cereal.

Sometimes squid beaks do make it deeper into the whale’s digestive system, and when that happens, researchers think it stimulates the body to secrete a greasy substance called ambergris to coat the beak so it won’t poke into the sides of the intestines. Small lumps of ambergris are sometimes found washed up on shore after the whale poops them out, and it can be valuable. Once it’s been out of the whale for a while it starts to smell really good so has been traditionally used to make perfume, but these days most perfume companies use a synthetic version of ambergris.

The sperm whale can grow to at least 67 feet long, or 20.5 meters, and may possibly grow much longer. It’s an active hunter and a deep diver, with the biggest whales routinely diving to almost 7,400 feet or 2,250 meters to catch that tasty, tasty squid. It can stay underwater for over an hour. It has teeth only in the lower jaw, which is long and thin. The upper jaw has holes in the gum called sockets where its lower teeth fit into, which is kind of neat. But because male sperm whales sometimes fight by ramming each other, occasionally a whale’s jaw will become broken, dislocated, or otherwise injured so that it can’t use it to bite squid. But that actually doesn’t seem to stop the whale from eating squid successfully. They just slurp them up.

Sperm whales use echolocation to find squid, but researchers also think the whale can use its vision to see the squid silhouetted against the far-off water’s surface. Sperm whales have big eyes, although not nearly as big as squid eyes, and a whale can retract its eyeballs into its eye sockets to reduce drag as it swims. It can also protrude its eyes when it wants to see better. Researchers have tagged sperm whales with radio transmitters that tell exactly where the whale is and what it’s doing, at least until the tag falls off. The tags occasionally show that a sperm whale will hunt while swimming upside down, which researchers think means the whale is looking up to see squid silhouettes.

You’ll often hear people talk about sperm whales and giant squids battling. Sperm whales do often have sucker marks and scars from giant and colossal squid arms, but that doesn’t mean the squid was trying to drown the whale. Squid have no real defense against getting eaten by sperm whales. All a squid can do is hang on to the whale in hopes that it won’t actually end up in the whale’s belly, which is not going to happen, squid. Some researchers even theorize that the sperm whale can stun prey with a massive burst of powerful sonar impulses, but so far there’s no evidence for this frankly pretty awesome hypothesis.

The other main predator of full-grown colossal squid are a few species of sharks called sleeper sharks. They’re slow-moving deep-sea sharks that mostly live in cold waters around the Arctic and Antarctic. We don’t know much about a lot of sleeper sharks species. Many of them were only discovered recently, and some are only known from one or a few specimens. Sleeper sharks are generally not much to look at. They don’t have great big mouths full of huge teeth like great whites, they don’t have weird-shaped heads like hammerheads, and they’re just plain grayish all over, maybe with some speckles.

The Greenland shark is one type of sleeper shark. It’s the one with the longest known lifespan of any vertebrate, as much as 500 years old. The Greenland shark is also one of the largest sharks alive, up to 24 feet long, or 7.3 meters, and possibly longer. But the Greenland shark isn’t one of the sleeper sharks that eat colossal squid, since it lives around the Arctic and the colossal squid lives around the Antarctic. But the Southern sleeper shark lives around the Antarctic and is so closely related to the Greenland shark that for a long time many researchers thought it was the same species. The Southern sleeper shark is overall shorter, only around 14 feet long, or 4.4 meters, although since we don’t know a lot about it, we don’t really know how big it can get. It’s probably an ambush predator and it definitely eats colossal squid because colossal squid beaks are sometimes found in its stomach.

In 2004 a team of researchers examined the stomach contents of 36 sleeper sharks that had been accidentally killed by fishing trawlers around and near Antarctica. They found remains of at least 49 colossal squid, bigger on average than the squid sperm whales typically eat.

Just going by what we know about the Greenland shark, it’s safe to say that the southern sleeper shark is an extremely slow swimmer, barely exceeding more than two miles an hour, or 3.5 km per hour. That’s about the speed you walk if you’re not in any particular hurry. It may also be prey to the same parasitic copepod, which is a type of crustacean, that infests a lot of Greenland sharks. The parasite attaches itself to the shark’s EYEBALL. But some researchers think the parasite actually gives something back to the shark, by glowing with a bioluminescence that attracts prey, which the shark then eats. Greenland sharks don’t appear to need to see in order to find prey anyway. That doesn’t make it any less gross.

I’m very sorry to end this episode with an eyeball parasite, so here’s one last thing to take your mind off it. As long as there have been reports of gigantic squid, there have been reports of gigantic octopuses. The largest octopus currently known is the giant Pacific octopus with a 20 foot legspan, or 6 meters. But there may be a gigantic octopus much larger than that. In 1928, six octopuses were sighted off the coast of Oahu in Hawaii by a sailor in the US Navy, who estimated their legs spanned 40 feet across, or 12.5 meters. In 1950, a diver in the same area reported seeing an octopus with a body the size of a car, and with tentacles estimated as 30 feet long each, or 9.3 meters.

Remember the study I mentioned earlier, about researchers finding lots of colossal squid remains in sleeper shark stomachs? They found something else in one of the sharks, remains of a huge octopus. Species unknown.

You can find Strange Animals Podcast online at strangeanimalspodcast.com. We’re on Twitter at strangebeasties and have a facebook page at facebook.com/strangeanimalspodcast. If you have questions, comments, or suggestions for future episodes, email us at strangeanimalspodcast@gmail.com. If you like the podcast and want to help us out, leave us a rating and review on Apple Podcasts or whatever platform you listen on. We also have a Patreon if you’d like to support us that way.

Thanks for listening!

Episode 073: Phantom and Otherwise Kangaroos

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This week we’re learning about some out-of-place marsupials, from phantom kangaroos to colonies of wallabies living in places like England and Hawaii. Thanks to Richard E. for the suggestion!

A Bennett’s wallaby and a red kangaroo:

George Stubbs’s kangaroo painting:

The controversial maybe-it’s-a-kangaroo engraving from 1593 (detail to the right). For more information, this is a great article.

You can find the 2013 video of a kangaroo in an Oklahoma cowfield here. It’s definitely a kangaroo, too.

Show transcript:

Welcome to Strange Animals Podcast. I’m your host, Kate Shaw.

We started 2018 with a couple of episodes about out of place animals. I meant to make that a regular feature this year, but I keep getting distracted. Imagine that. This week I was going to revisit out of place animals in general, with lots of excellent suggestions from Richard E. But the second I started researching some populations of wallabies in places far outside of their usual home, I got sucked into the strange world of phantom kangaroos.

Reports of so-called phantom kangaroos are something between an urban legend and a genuine cryptozoological mystery. The problem with the earliest accounts is that they’re impossible to verify as real reports. Newspapers from earlier than about the 1920s would sometimes play fast and loose with reality in order to sell papers or just fill space. I suspect that at the time, most people reading the papers understood that these sorts of accounts were just fun nonsense, but we don’t have the same frame of reference to interpret them properly today. A hundred years from now scholars are going to be reading memes from 2018 and taking them at face value because they don’t understand most of the pop culture references.

But let’s dig into some of these phantom kangaroo reports and see what we can find out.

The first report of a phantom kangaroo is usually listed as one from 1899 in Wisconsin. The story goes that on June 12 of that year, a woman in New Richmond reported seeing a kangaroo run through her neighbor’s yard. Some accounts say it was her yard, and some reports say it happened during a storm. Some reports also mention that a circus was in the area, but that while people assumed the kangaroo had escaped from the circus, it turned out that the circus had never had a kangaroo.

This story doesn’t seem to appear anywhere except books and websites about unexplained phenomena. On the surface it seems to have good details, but when you think about it, it’s mostly vague. We have a specific date and a specific place…but what was the woman’s name? Which circus was in town? How did the woman know she had seen a kangaroo, and what did it look like? It was described as running, not hopping, but does that verb come from the witness or from reporters?

The next phantom kangaroo account is from 1907, and supposedly happened near Pennsburg, PA. I found it in three old newspapers, including the August 3, 1907 Harrisburg (Pennsylvania) Telegraph, and the Harrisburg Daily Independent.

This is the text of the article that appears in both those newspapers, with the headline “Kangaroo” at Large Alarms a Community, with Kangaroo in quotes, a rather sophisticated touch that makes me think the story was real:

“Pennsburg, Pa, Aug. 3 Tales of a kangaroo that is said to be roaming the wooded hills in the vicinity of Pleasant Run, a few miles west of here, have occasioned intense excitement in that region. Several persons, among them Erwin Styer and Martin Stengel, have seen the strange animal within the last week, and while it is so fleet that no one has been able to obtain a good view of it, the descriptions tend to substantiate the theory that it is a kangaroo. Dogs have attacked the animal, but have always been worsted. People living in the neighborhood of Pleasant Run are afraid to venture away from home after nightfall, and there is little disposition to linger long at the village store in the evening.”

unquote

I checked and Pleasant Run, Pennsylvania is indeed four miles away from Pennsburg, so that’s accurate. I also found an article in the Pinedale (Wyoming) Roundup of December 4, 1907, with the headline “Big Kangaroo at Large” and the subheadline “Keeps Lovers from Their Sweet Summer Saunterings,” which makes me want to throw up a little. This version of the story has been expanded, but whether that was done by the original reporter or was added to give the story more flavor, I don’t know. Here it is in full:

Quote

“Tales of a kangaroo that is said to be roaming the wooded hills in the vicinity of Pleasant Run, a few miles west of here, have occasioned intense excitement. Several persons, among them Erwin Styer and Martin Stengel, have seen the strange animal within the past week, and while it is so fleet that no one has been able to obtain a good view of it, the descriptions substantiate the theory that it is a kangaroo. It is described as being of gray color, with a head shaped like that of a sheep and a body of large proportions. Upon the approach of a human being it darts away at tremendous speed.

“Dogs have attacked it, but were always worsted. They were not bitten but apparently the animal flung them off with terrific force in the manner that a kangaroo defends itself with its hind legs and tail.

“People living in the neighborhood are afraid to venture away from home after nightfall and there is little disposition to linger at the village store or tavern in the evening. Young men say that the customary outdoor rural amusements are no longer safe. ‘It ain’t that I’m afraid of any wild beast that ever roamed the jungles of Montgomery county,’ said one young swain, ‘but I certainly do object to the disgrace of being knocked out by the hind legs or the tail of a kangaroo. So I guess we fellows won’t do much stirring up with the girls for some time to come.’”

Unquote

Okay, first of all, barf. Second of all, I don’t know what people sounded like in 1907, but I lived in Pennsylvania for a while and no one talks like that there. Third of all, I’m pretty sure Montgomery County, PA, which is not far from Philadelphia, wasn’t exactly a jungle even in 1907. I guarantee you that the quote at the end of the Wyoming article was made up by some bad writer, either in Wyoming or in some other newspaper, to give it more pizzazz.

It’s possible the whole article was an invention. I suspect the original version reports a real event, but since there are so few details it’s impossible to know if the animal was actually a kangaroo.

The next phantom kangaroo is a lot more interesting. It happened near South Pittsburg, Tennessee, which is near Chattanooga and therefore not far from where I live. Over five days in January 1934, an animal people called a kangaroo was repeatedly seen outside the town. One person said it leaped across a field, others reported it had killed and partially eaten some dogs and ducks, and was even reported carrying away a sheep. Its prints were tracked to a cave, but the animal was never found. Now, I’m going to be honest here and admit that I didn’t hunt too hard for original newspaper articles on this one. I should have, but I literally ran out of time. Basically, whatever this animal was, it probably wasn’t a kangaroo. While kangaroos, like all herbivores, will occasionally eat birds or small animals, or even fish, they don’t eat dogs. They don’t live in caves. They aren’t usually aggressive at all. So basically, while it’s possible this was a mystery animal, it wasn’t a kangaroo.

People tend to see what they expect to see. If someone sees an animal they can’t identify, their subconscious will suggest the most plausible mystery animal. These days that might be Bigfoot or a dogman. In the olden days, it might have been a kangaroo. But why? Why kangaroos?

Kangaroos have been known to science and to general non-Australian people for centuries. The most famous painting of a kangaroo was by artist George Stubbs, who is best known for his gorgeous paintings of horses and dogs. Stubbs painted it in 1772 from a skin brought to England by Captain Cook, not from a live animal. As a result, the kangaroo isn’t as accurate as most of his paintings, but it’s still definitely a kangaroo. It was exhibited in London in 1773 and was a huge attraction. Prints and reproductions of Stubbs’s kangaroo were also popular, and until zoos started to exhibit live kangaroos, that’s what many non-Australians thought kangaroos looked like.

But there were earlier European depictions of kangaroos and other marsupials from Australia, definitely as early as 1711 and possibly as early as 1593. People do tend to see what they expect to see, but presumably no one outside of Australia actually expects to see a kangaroo hopping around on any given day. But something did happen around the time of the earliest phantom kangaroo reports. Kangaroos and their relations started being exhibited in zoos.

This is different from traveling menageries and circuses. The first kangaroos were known to have been in traveling menageries around 1828, when one or two kangaroos were exhibited in England, with a few others in circuses and menageries traveling mostly around Boston and Ontario in North America. But public zoos became more and more common around the late 18th and early 19th centuries, especially in the United States. Kangaroos and their smaller relations, wallabies, started to appear in American zoos in the early 20th century.

So it’s possible that the phantom kangaroo sightings resulted from more people being familiar with what kangaroos were and what they looked like, but not being familiar with what they ate or how they acted outside of captivity. Zoos in those days were grim places, with animals kept in small cages, so many people who saw one on display may not even have been aware they hop instead of run. If your sole experience with hopping animals is rabbits, and someone told you kangaroos hop, you’d probably picture a rabbit-like gait.

But…well…maybe people were actually seeing kangaroos, at least sometimes.

Here’s the thing. Kangaroos and wallabies are sometimes kept as pets. Apparently they can get pretty tame, although I’m just going to point out that you’d be a lot better off with a pet that’s actually domesticated. If you must have a hopping pet, rabbits are pretty awesome. Anyway, guess what. There are actual known populations of wallabies living in various places where they really shouldn’t be. And we don’t actually know how they got there in most cases. All we can do is guess they were escaped pets or escaped from zoos.

Wallabies look like miniature kangaroos, maybe the size of an average dog. They eat all kinds of plants, can bound quickly and jump fences and other obstacles, and are largely nocturnal although they also come out in daylight. Basically they fill a similar ecological niche as deer. They breed well in captivity and are cute, so are often kept in zoos. They’re marsupials native to Australia, New Zealand, and New Guinea…but they are also found in parts of England, Scotland, Ireland, on the Isle of Man, in one tiny area of France, and a few other places.

We do know where some of the wallabies come from. Lady Fiona of Arran was a bit of an eccentric who kept what would have been considered exotic pets back in the 1920s and 30s: llamas, alpacas, pot-bellied pigs, and wallabies. At some point in the 1940s she turned the wallabies loose on an island in Loch Lomond, where they’ve lived ever since. The problem, of course, is that they shouldn’t really be there. They’re cute, sure, and tourists do come to see them, but some people think their presence threatens certain native bird species and they ought to be killed off, or at least captured and taken to zoos. Other people point out that the native birds on the island don’t seem to be bothered by the wallabies, which after all have been there for the better part of a century now. About sixty wallabies live on the island at any given time.

There are also wallabies in the Peak District in Derbyshire, England. This was the population Richard E. told me about, which got me started on this episode that has taken me way too long to research. We know where these wallabies came from too. A man named Henry Courtney Brocklehurst, which honestly does not even sound like a real person’s name, once kept a private zoo on the Roaches, a rocky ridge that’s part of a national park in England. At some point in the 1930s five wallabies in his zoo either escaped or were quietly turned loose, reports vary. They did well in the wild and multiplied, until at their most numerous there were around 50. For a while people thought the wallabies had all died off after some especially cold winters, but in 2009 a hiker got pictures of one.

But wallabies also live in other parts of the British isles, and we don’t know where most of them came from. At least some are probably escaped pets or escaped from zoos—wallabies are apparently pretty good at escaping—while others may be individuals from the peak district population that have gone wandering. All the wallabies in Britain are a subspecies of red-necked wallaby called Bennett’s wallaby, which is from Tasmania. This means it’s better adapted to the British climate than most other wallabies would be. They’re sometimes killed by cars or dogs.

So let’s get back to more modern sightings of phantom kangaroos. There are a lot of reports from the United States, believe me, and a few from Canada. I won’t go into detail for most of them, but they include a 1949 sighting in Ohio, a 1958 sighting in Nebraska, the “Big Bunny” kangaroo sightings in Minnesota that persisted for a decade between 1957 and 1967, and many more.

On October 18, 1974 someone called the Chicago police to report a kangaroo on their porch. Two officers responded…and found a kangaroo in a nearby alleyway. They reported it was five feet tall, or 1.5 meters, which points to its being an actual kangaroo and not a wallaby. Now, Chicago cops probably are not trained to deal with kangaroos, but you’d think they would have the sense to call animal control or a zoo or someone who does know how to deal with kangaroos. Instead, they decided to treat the kangaroo like a human criminal. That’s right, they tried to handcuff a kangaroo.

The kangaroo kicked and punched the officers, who called for backup and probably still haven’t lived that down, but the kangaroo jumped a fence and disappeared into the night.

The next day a paperboy near Oak Park reported hearing a car’s brakes squeal, and when he turned to look, he saw a kangaroo only a few feet away, staring at him. It hopped away. Over the next few weeks sightings poured in from all over Chicago, from other Illinois cities, and even from Indiana. By July 1975, sightings had tapered off and finally stopped.

In April 1978, a schoolbus driver in Waukesha, Wisconsin saw two kangaroos hop across the road. She wasn’t the only one to see them, either. The road was busy and drivers had to slam on their brakes to avoid the kangaroos. One driver actually hit one, but it just jumped back up and hopped away. More people spotted the kangaroos in the weeks that followed. By the end of the month, a kangaroo hunt was organized in an attempt to capture it. They failed, and it seems mostly to have been a joke, but an anonymous photographer sent a Polaroid of a kangaroo to the local paper, supposedly taken in the area. It turned out to be a hoax, a photo of a stuffed wallaby someone had dragged out into a field. But sightings of the kangaroo persisted for months.

And sightings of kangaroos and wallabies don’t just happen in North America and the British Isles. Between 2003 and 2010, people in the Mayama mountain district of Osaki, Japan reported seeing a large brown animal with long ears, variously described as three to five feet tall, or one to 1.5 meters. Most sightings of the animal took place on roadsides when people were on their way to work or home from work.

No one has pictures of the kangaroo seen in Japan, though. No one has photos of the kangaroos reported in Chicago or any of the other sightings from 1899 on up through the new millennium. All those kangaroos were seen but never caught or photographed. A photo of a kangaroo was, however, once passed off as a photo of the Jersey Devil. According to a century of reports, the phantom kangaroos are just that, phantoms.

But these days, many people carry high-quality cameras with them everywhere, more commonly referred to as phones. And things started to change.

On January 3, 2005, a woman in Iowa County, Wisconsin called the sheriff’s department to say she’d seen a kangaroo hopping around on her horse farm. When the sheriff arrived, he was shocked to actually find a kangaroo, specifically a male red kangaroo. He knew better than to try to handcuff it, and instead got help to lure the kangaroo into a barn. It was captured safely and taken to the Henry Vilas Zoo, where it stayed until it died five years later. No one knows where it came from or why it was hopping around loose, but it was apparently fairly tame.

In 2013, some hunters took a video of a kangaroo in Oklahoma. I’ll put a link in the show notes, but it is 100% a kangaroo and not a blurry video that might be anything. A pet kangaroo named Lucy Sparkles had escaped in November of 2012 not too far away, but it turned out that the kangaroo caught on video wasn’t Lucy. It also wasn’t an escapee from a local exotic animal farm. It was a kangaroo from a man who kept kangaroos, which means there are way, way too many kangaroos in Oklahoma than I ever imagined.

Similarly, a man driving to work in July 2013 in North Salem, Connecticut got a few seconds of video of a kangaroo or wallaby bounding down the road and up someone’s driveway. In February of 2017, police officers on patrol spotted a wallaby in Somers, New York, which is believed to be a pet wallaby that escaped three years before in North Salem.

In other words, people really are seeing wallabies and kangaroos, not phantoms. Is it possible there are populations of either living in remote areas of North America, and that occasionally one wanders closer to a town or city and is seen? It’s possible, but not especially likely. Wallabies would be easy prey for wolves and coyotes, bears and cougars, and domestic dogs. We’d also probably have a lot of roadkill wallabies. Kangaroos would be more able to hold their own against predators, but are larger and therefore easier to spot. The climate in much of the United States also isn’t ideal for kangaroos or wallabies. Red kangaroos might be able to thrive in the arid and sparsely populated parts of the southwestern United States, but sightings of phantom kangaroos aren’t generally from those areas.

I’m pretty sure that the wallabies and kangaroos seen in North America, and probably most other places, are escaped pets. Wallabies in particular seem to be escape artists. So if you’re tempted to get an exotic pet and are looking at a wallaby, trust me: you’d be a lot happier with a dog.

You can find Strange Animals Podcast online at strangeanimalspodcast.com. We’re on Twitter at strangebeasties and have a facebook page at facebook.com/strangeanimalspodcast. If you have questions, comments, or suggestions for future episodes, email us at strangeanimalspodcast@gmail.com. If you like the podcast and want to help us out, leave us a rating and review on Apple Podcasts or whatever platform you listen on. We also have a Patreon if you’d like to support us that way.

Thanks for listening!

 

Episode 072: Weird Whales

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It’s been too long since we discussed whales, so this week let’s learn about how whales evolved and some especially strange or mysterious whales!

Pakicetus was probably kind of piggy-looking, but with a crocodile snout:

Protocetids were more actually whale-like but still not all that whale-like:

Now we’re getting whaley! Here’s basilosaurus, with a dinosaur name because the guy who found it thought it was a reptile:

Here’s the skull of a male strap-toothed whale (left). Those flat strips are the teeth:

Another view. See how the teeth grow up from the lower jaw and around the upper jaw?

A dead pygmy right whale:

The walrus whale may have looked sort of like this:

The half-beak porpoise had a chin that just would not quit:

Show transcript:

Welcome to Strange Animals Podcast. I’m your host, Kate Shaw.

This week’s topic is weird whales and some of their relations. If you think about it, all whales are weird, but these are the weirdest whales we know of. Some are living, some are extinct, and some…are mysteries.

Whales, dolphins, and porpoises are most closely related to—wait for it—HIPPOPOTAMUSES. About 48 million years ago an ancestor of both modern hippos and whales lived in Asia. It’s called Inodhyus and it was about the size of a cat, but looked more pig-like. It was at least partially aquatic, probably as a way to hide from predators, but it was an omnivore that probably did most of its hunting and foraging on land.

The earliest whale is generally accepted to be Pakicetus. It lived around the same time as Inodhyus and its fossils have been found in what is now Pakistan and India. It was about the size of a big dog, but with a long, thick tail. Its skull was elongated, something like a short-snouted crocodile with big sharp triangular teeth. It had upward-facing eyes like a crocodile or hippo, and it also had four long, fairly thin legs. It probably hunted on both land and in shallow water, and like the hippo it probably didn’t have much hair.

That doesn’t sound much like a whale, but it had features that only appear in whales. These features became more and more exaggerated in its descendants. At first, these ancestral whales looked more like mammalian crocodiles. It’s not until Protocetids evolved around 45 million years ago that they started to look recognizably like whales. Some protocetids lived in shallow oceans throughout the world but probably still gave birth on land, while others were more amphibious and lived along the coasts, where they probably hunted both in and out of water. But they had nostrils that had migrated farther back up their snouts, although they weren’t blowholes just yet, reduced limbs, and may have had flukes on their large tails. But they still weren’t totally whale-like. One protocetid, Rodhocetus balochistanensis, still had nail-like hooves on its forefeet.

By around 41 million years ago, the basilosaurids and their close relations had evolved, and were fully aquatic. They lived in the oceans throughout the tropics and subtropics, and their nostrils had moved almost to the location of modern whales’ blowholes. Their forelegs were basically flippers with little fingers, their hind legs had almost disappeared, and they had tail flukes. They were also much bigger than their ancestors. Basilosaurus could grow up to 60 feet long, or 18 meters, and probably looked more like a gigantic eel than a modern whale. It was long and relatively thin, and may have mostly lived at the ocean’s surface, swimming more like an eel or fish than a whale. It ate fish and sharks. SHARKS.

So when did whales develop the ability to echolocate? Researchers think it happened roughly 34 million years ago, which also happens to be about the same time that baleen whales and toothed whales started to develop separately. Echolocation probably evolved to help whales track hard-shelled mollusks called nautiloids. By 10 million years ago, though, nautiloids were on the decline and mostly lived around reefs. Whales had to shift their focus to soft-bodied prey like squid, which meant their sonar abilities had to become more and more refined. Toothed whales echolocate, while baleen whales probably do not. Researchers aren’t 100% sure, but if baleen whales do use echolocation, it’s limited in scope and the whales probably mostly use it for sensing obstacles like ice or the sea floor.

Baleen whales are the ones that communicate with song, although the really elaborate songs are from humpback and bowhead whales. Of those species, humpback songs are structured and orderly, while bowhead whale song is more free-form. But humpback songs do change, and researchers have discovered that they spread among a population of whales the same way popular songs spread through human populations. This is what they sound like, by the way. A snippet of humpback song is first, then a snippet of bowhead song.

[examples of humpback and bowhead]

So now we’ve got a basic understanding of how whales evolved. Now let’s take a look at some of the weirder whales we know about. We’ll start with a living one, the strap-toothed whale. It’s one of 20-odd species of mesoplodont, or beaked whale, and we don’t know a whole lot about any of them. The strap-toothed whale is the longest beaked whale at 20 feet long, or 6.2 meters.

The strap-toothed whale lives in cold waters in the southern hemisphere. It’s rarely seen, probably since it lives in areas that aren’t very well traveled by humans. It mostly eats squid. Females are usually a little bigger than males, and adults are mostly black with white markings on the throat and back.

The weird thing about this whale is its teeth. Male beaked whales all have a pair of weird teeth, usually tusk-like, which they use to fight each other, but strap-toothed whales take the weird teeth deal to the extreme. As a male grows, two of its teeth grow up from the lower jaw and backwards, curving around the upper jaw until the whale can’t open its mouth very far and can only eat small prey. The teeth can grow a foot long, or 30 cm, and have small projections that cause more damage in fights with other males.

Most of what we know about the strap-toothed whale comes from whales that have been stranded on land and died. Males don’t seem to have any trouble getting enough to eat, and researchers think they may use suction to pull prey into their mouths. Other beaked whales are known to feed this way.

All beaked whales are deep divers, generally live in remote parts of the world’s oceans, and are rarely seen. In other words, we don’t know for sure how many species there really are. In 1963, a dead beaked whale washed ashore in Sri Lanka. At first it was described as a new species, but a few years later other researchers decided it was a ginkgo-toothed whale, which had also only been discovered in 1963. Male ginkgo-toothed whales have a pair of tusks shaped like ginkgo leaves, but they don’t appear to use them to fight each other. But a study published in 2014 determined that the 1963 whale, along with six others found stranded in various areas, belong to a new species. It’s never been seen alive. Neither has the ginkgo-toothed whale.

The pygmy right whale is a baleen whale, but it’s another one we know very little about. It lives in the southern hemisphere. Despite its name, it isn’t closely related to the right whale. It’s small for a baleen whale, around 21 feet long, or 6.5 meters, and it’s dark gray above and lighter gray or white underneath. Its sickle-shaped dorsal fin is small and doesn’t always show when the whale surfaces to breathe. It feeds mostly on tiny crustaceans like copepods, and probably doesn’t dive very deeply considering its relatively small heart and lungs.

The pygmy right whale was first described in 1846 from bones and baleen. Later studies revealed that it’s really different from other baleen whales, with more pairs of ribs and other physical differences. It also doesn’t seem to act like other baleen whales. It doesn’t breach, slap its tail, or show its flukes when it dives. It doesn’t even swim the same way other whales swim. Other whales swim by flexing the tail, leaving the body stable, but the pygmy right whale flexes its whole body from head to tail. It seems to be a fairly solitary whale, usually seen singly or in pairs, although sometimes one will travel with other whale species. In 1992, though, 80 pygmy right whales were seen together off the coast of southwest Australia. Fewer than 200 of the whales have been spotted alive, including those 80, so we have no idea how rare they are.

It wasn’t until 2012 that the pygmy right whale’s differences were explained. It turns out that it’s not that closely related to other baleen whales. Instead, it’s the descendant of a family of whales called cetotheres—but until then, researchers thought cetotheres had gone extinct completely around two million years ago. Not only that, it turns out that at least one other cetothere survived much later than two million years ago, with new fossils dated to only 700,000 years ago. But that particular whale, Herpetocetus, had a weird jaw joint that kept it from being able to open its mouth very far. It and the strap-toothed whale should start a club.

Sometimes whale fossils are found in unexpected places, which helps give us an idea of what the land and ocean was like at the time. For instance, fossils of an extinct beaked whale known as a Turkana ziphiid was found in Kenya in 1963, in a desert region 460 miles inland, or 740 kilometers. The fossil is 17 million years old. So how did it get so far inland?

It turns out that at the time, that part of east Africa was near sea level and grown up with forests. The fossil was found in river deposits, so the whale probably swam into the mouth of a river, got confused and kept going, and then couldn’t turn around. It kept swimming until it became stranded and died. Because of the finding, researchers know that 17 million years ago, the uplift of East Africa had not yet begun, or if it had it hadn’t yet made much progress. The uplift, of course, is what prompted our own ancestors to start walking upright, as their forest home slowly became grassland.

As an interesting aside, the fossil was stored at the Smithsonian, but at some point, like so many other fascinating items, it disappeared. Paleontologist Louis Jacobs spent 30 years trying to find it, and eventually located it at Harvard University in 2011. After he finished studying it, he donated it to the National Museum of Kenya.

More whale fossils were uncovered in 2010 in the Atacama Desert in Chile—in this case, over 75 skeletons, many in excellent condition, dated to between 2 and 7 million years ago. Researchers think they’re the result of toxic algae blooms that killed the whales, which then washed ashore. Over 40 were various types of baleen whales. Other fossils found in the same deposit include a sperm whale, marine sloths, and a tusked dolphin known as a walrus whale.

The walrus whale lived in the Pacific Ocean around 10 million years ago, and while it’s considered a dolphin, it’s actually more closely related to narwhals. But it probably looked more like a walrus than either. Unlike most whales, it had a flexible neck. It also had a face like a walrus. You know, flattish with tusks sticking down. It probably ate molluscs. But the right tusk was much longer than the left one, possibly in males only. In the case of one species of walrus whale, one specimen’s left tusk was about 10 inches long, or 25 cm, while its right tusk was over four feet long, or 1.35 meters. Some researchers suggest that the whale swam with its head bent so that the long tusk lay along the body. Possibly it only used it for display, either to show off for females or to fight other males. But we don’t know for sure.

Speaking of narwhals, if you were hoping to hear about them, you’ll need to go way back to episode five, about the unicorn. I talk about the narwhal a lot in that episode. The narwhal happens to be one of the best animals. A lot of people think the narwhal isn’t a real animal, that it’s made up like a unicorn. In fact, about a week ago, I was talking to a coworker and the subject of narwhals came up. She actually did not realize it was a real animal. Nope, it’s real, and that horn is real, but it’s actually a tusk rather than a horn. It grows through the whale’s upper lip, not its forehead. In another weird coincidence, this afternoon when I was about to sit down and record this episode, a friend sent me a link to an article that had some narwhal sounds. So we’re not really talking about narwhals in this episode, but hey, this is what they sound like.

[narwhal calls]

Another weird whale is the halfbeak porpoise, or skimmer porpoise, which lived off the coast of what is now California between 5 and 1.5 million years ago. While it probably looked mostly like an ordinary porpoise, its chin grew incredibly long. The chin, properly called a symphysis, was highly sensitive, and researchers think it used it to probe in the mud for food.

There’s still so much to learn about whales, both living ones and extinct ones. We definitely haven’t identified all the living whales yet. There are reports of strange whales from all over the world, including a baleen whale with two dorsal fins. It was first spotted in 1867 off the coast of Chile by a naturalist, and other sightings have been made since. It’s supposedly 60 feet long, or 18 meters, so you’d think it wouldn’t be all that hard to spot…but there’s a whole lot of ocean out there, and relatively few people on the ocean to look for rare whales.

Whales can live a really long time. In 2007, researchers studying a dead bowhead whale found a piece of harpoon embedded in its skin. It turned out to be a type of harpoon that was made around 1879. Bowheads can probably live more than 200 years, and may even live longer than that.

And, of course, whales are extremely intelligent animals with complex social and emotional lives, the ability to reason and remember, tool use, creative thinking and play, self-awareness, a certain amount of language use, and altruistic behaviors toward members of other species. Whales and dolphins sometimes help human swimmers in distress, dolphins and porpoises sometimes help beached whales, and humpback whales in particular sometimes rescue seals and other animals from orcas. Humans aren’t very good at thinking about intelligence except as it pertains to us, but it seems pretty clear that other apes, whales and their relations, elephants, and probably a great many other animals are a lot more intelligent than we’ve traditionally thought.

One last interesting fact about whales and their relations. Most of them sleep with half their brain at a time. The half that isn’t sleeping takes care of rising to the surface to breathe periodically, so the whale doesn’t drown. That does not sound very restful to me. But sperm whales sleep with their bodies vertical and their heads sticking up out of the water. But they don’t sleep very long, only around ten minutes at a time—and only in the hours before midnight. I’ve had nights like that.

You can find Strange Animals Podcast online at strangeanimalspodcast.com. We’re on Twitter at strangebeasties and have a facebook page at facebook.com/strangeanimalspodcast. If you have questions, comments, or suggestions for future episodes, email us at strangeanimalspodcast@gmail.com. If you like the podcast and want to help us out, leave us a rating and review on Apple Podcasts or whatever platform you listen on. We also have a Patreon if you’d like to support us that way.

Thanks for listening!

Episode 071: The Not-Elephants

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Not-Elephants! They’re like elephants but WEIRD! Let’s take a look at a lot of extinct proboscidea this week.

Oh, and the Casual Birder Podcast episode where I talk about indigo buntings should be released this week, not last week. Oops.

Gomphotheres, looking deceptively normal at first glance:

THEIR FACES AAAHHHH art by Pedro Toledo:

Cuvieronius and Notiomastodon, art also by Pedro Toledo. Note the spiral on Cuvieronius’s tusks:

Stegodon:

Deinotherium, just going totally weird with the tusks and chin:

It might have looked a little something like this when alive. What the actual heck:

Anancidae tusks were just out of control:

Guess what! These two proboscidae are still alive! Hooray for Asian elephants (left) and African elephants (right)!

Okay, what the heck is going on in these genealogy sites, pretty sure elephants don’t use them:

And finally, I swiped this picture of the Mystery Tusk from Karl Shuker’s blog, specifically this post.

Show transcript:

Welcome to Strange Animals Podcast. I’m your host, Kate Shaw.

We haven’t had an episode about Pleistocene megafauna in a while, so this week we’re covering some interesting mammals that are related to elephants and mammoths, but aren’t elephants or mammoths. Oh, and I jumped the gun last week with our mystery birds episode. The Casual Birder podcast is running the finch episode this week, where I have a little spot talking about the indigo bunting. I’ll make sure to put a link in the show notes so you won’t miss it if you don’t already listen to the Casual Birder podcast.

We’ll start off this week with an elephant that…isn’t an elephant. Just wait till you hear about the gomphothere, oh man. I’ve been saving this one for a while.

Gomphothere is the name for a family of animals that lived throughout much of the world, except for Antarctica and Australia. Researchers aren’t sure yet whether it eventually gave rise to elephants and mammoths or whether gomphotheres and mammoths were just cousins with a shared ancestor. The first gomphotheres evolved in Africa and spread into Asia and Europe around 22 million years ago. From there they moved into North America and eventually even into South America during the Pleistocene, shortly before they all went extinct.

So what did gomphotheres look like, and how did they differ from elephants? I’m SO glad you asked. A big part of why gomphotheres would have looked weird to us today is because their bodies were very elephantine. But their faces…were just wrong.

For instance, several species of Gomphotherium had a relatively short trunk and four tusks. The upper two tusks were on the upper jaw and jutted forward and downward. Not too unusual. The other pair of tusks were in the lower jaw. They jutted forward side by side and were flattened to form a sort of shovel. For a long time researchers thought it lived in swamps and used its shovel jaw to scoop up water plants, but more recent research suggests it used its lower tusks to cut through tough vegetation. Some species may have used the shovel to gouge bark off trees, for instance. Its head was elongated as a result of the long lower jaw, so while its body looked like a pretty average elephant, size and all, its face would have been long and flattened compared to the elephants we’re used to. I’m picturing the big reveal in an elephant horror movie where the mysterious character in the shadows turns its head and the music goes BWAHHHH and all the elephants in the audience scream.

Cuvieronius and Notiomastodon are the only gomphotheres that lived in South America. Despite its name, Notiomastodon was not closely related to actual mastodons. Both Cuvieronius and Notiomastodon evolved in North America just over 5 million years ago, then migrated into South America around 3 million years ago. Cuvieronius preferred cooler environments and lived along the Andes Mountains, and may have had thick hair to keep it warm, while Notiomastodon lived in open forests in the lowlands and along the coast, and probably had very little hair, much like modern elephants. Both stood over 8 feet tall at the shoulder, or 2.5 meters. Both also probably looked pretty normal compared to elephants, and probably acted a lot like modern elephants too. Both had a single pair of tusks. But while Notiomastodon’s tusks were relatively ordinary and usually curved upward like a modern elephant’s, Cuvieronius’s grew in a spiral—although not a tight spiral like narwhal tusks. A band of enamel spiraled along the tusk’s length, and the tusk could be over eleven feet long, or 3.5 meters. Some other gomphothere tusks have enamel coverings, unlike elephant and mammoth tusks, which do not contain enamel.

Notimastodon died out in South America about the time humans migrated into the area, or maybe a little before, but it lived longer in parts of North America, as recently as 28,000 years ago in Mexico. Cuvieronius lived even longer before going extinct, with fossils dated to only about 11,500 years ago found in Chile.

Researchers are still working out the relationships between various gomphotheres and their relations. Gomphotheres, elephants, and some other relations are all in the same order, proboscidea, but different families.

Let’s jerk everything to a halt for a second while I explain the scientific classification system for those of you who aren’t familiar with it. Every living creature that has been described scientifically is assigned a place in the classification system so other researchers can get an idea of what the organism is most closely related to. Classifications can and do change as more information is learned.

The top tier is kingdom, extremely broad groups. All mammals, reptiles, amphibians, fish, birds, insects, sponges, worms, jellyfish, and basically anything else that could possibly be called an animal is part of the kingdom Animalia. Kingdoms are divided into phyla, which is the plural of phylum. You may remember me talking at length about phyla in the Cambrian explosion episode a few weeks ago, and I probably should have put this explanation in that episode. Any animal with a backbone or notochord or some similar structure is in the Chordate phylum. The next section under phylum is class, and that’s where we separate mammals from birds from reptiles from fish, and so forth. Elephants, Gomphotheres, and humans are all part of the class Mammalia. But when we reach the next big section down, Order, we separate humans from elephants and gomphotheres, because those are part of the order Proboscidea while humans are in the order Primate. Under Order is family, then genus, then species. The genus and species give an organism its scientific name, such as Homo sapiens or Stegodon zdansky. There are finer gradations, like subfamily and subspecies and clade and so forth, but we won’t go over those here. Let’s get back to the not-elephants.

So, what’s Stegodon zdansky? It’s in the proboscidea order along with elephants and gomphotheres, but it’s not either. And the reason I bring it up is because it was really, really big. It could stand some 13 feet high at the shoulder, or 4 meters, and its tusks were similarly enormous—not just long, although they were over ten feet long, or more than three meters, but so big and close together that it had to drape its trunk to one side or the other of the tusks, not in between like most other proboscideans. Stegodon zdansky lived in China. Other species of Stegodon also lived in Asia, mostly in forested areas, and like zdansky they all had long tusks set close together.

Remember the island of Flores, where the Flores little people lived, Homo floresiensis? We learned about them in episode 26. Popular articles about the Floes little people often say they hunted a dwarf elephant, but it wasn’t an elephant at all. It was a Stegodon that had adapted to life on an island by becoming smaller, not much bigger than a cow. But it’s not clear if it was actually hunted by the Flores little people or if it went extinct before they arrived.

There are more proboscideans, believe me. Deinotherium, for instance, which was simply enormous. It could stand more than 13 feet tall, or 4 meters, but some big males may have stood nearly 16 feet tall, or 5 meters. Only paraceratherium, which you may remember from our tallest animals episode, was taller and heavier.

It had such weird tusks that researchers aren’t sure what it used them for. It had one pair on the lower jaw. Not only did the tusks grow almost straight downward, its lower jaw also curved downward. Some researchers think it dug up plants with the tusks, while others think it used its tusks to pull branches down so it could strip leaves off with its trunk. But no one knows for sure. Researchers also think it had a strong trunk, although we don’t know whether it was a long trunk or a short one. It lived in parts of Asia, Africa, and Europe, and went extinct around a million years ago.

Amebelodontidae was a family that paleontologists thought for a long time were gomphotheres, but new research has separated them into their own family. Like many Gomphotheres, the lower jaw is elongated with a pair of flat, short tusks at the end. The upper tusks are straight and reach only to the end of the jaw, or not as far as the end of the jaw in some species. Reseachers think it used its tusks to cut through tough plants. Similarly, Anancidae were once thought to be Gomphotheres but are now considered their own family. It looked a lot like modern elephants, although its legs were relatively short. Even so, it stood around ten feet tall, or three meters, and lived in forests. It had one pair of tusks…but that’s where the resemblance to modern elephants ends, because its tusks were ridiculously long: 13 feet long, or four meters, and they just pointed straight ahead. Researchers think the Anancidae used their tusks for defense and to dig up plants.

All the proboscidea are extinct now except for Asian and African elephants. It’s a shame so many amazing animals are gone, but just think about how sad it would be if we didn’t have elephants at all. We’re lucky they’re still around.

In 1904 a couple of French zoologists noticed part of a strange tusk in a market stall in Ethiopia. The tusk was darker than regular elephant ivory, oddly shaped with a single groove along its length, and only a couple of feet long, or around 60 cm. The seller didn’t know where it was from. The zoologists bought it to study, and in 1907 published a paper on the tusk. It wasn’t a complete tusk and had apparently been broken off, not sawed off. Their conclusion was that it was from a proboscidean that was not yet known to science. Unfortunately the tusk has been lost, possibly gathering dust in the depths of the National Museum of Natural History in Paris where it was donated.

While the zoologists stated that the tusk wasn’t fossilized and that they thought it might have been almost semicircular when complete, it’s possible they were wrong on both counts. It might have been a walrus tusk, possibly a fossilized one, which could explain its dark brown patina. It might have been a fossilized deinotherium tusk. But the zoologists learned something interesting soon after they bought the tusk. Some Somali hunters told them that there were hippo-like animals that lived in large lakes of East Africa, and that the animals had tusks like the one they’d bought. If you’ve listened to episode 18, where we talk about mystery elephants, you might remember the water elephant reportedly seen in East Africa prior to 1912. Could the water elephant be a real animal, and the source of the mystery tusk? Until the tusk actually turns up so it can be tested, we can’t know for sure what animal it’s from. But it’s sure fun to think about.

You can find Strange Animals Podcast online at strangeanimalspodcast.com. We’re on Twitter at strangebeasties and have a facebook page at facebook.com/strangeanimalspodcast. If you have questions, comments, or suggestions for future episodes, email us at strangeanimalspodcast@gmail.com. If you like the podcast and want to help us out, leave us a rating and review on Apple Podcasts or whatever platform you listen on. We also have a Patreon if you’d like to support us that way.

Thanks for listening!