Strange Animals Podcast By cover art

Strange Animals Podcast

By: Katherine Shaw
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  • Summary

  • A podcast about living, extinct, and imaginary animals!
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Episodes
  • Episode 389: Updates 7 and the Lava Bear

    Episode 389: Updates 7 and the Lava Bear
    Jul 15 2024
    It's our annual updates episode! Thanks to Kelsey and Torin for the extra information about ultraviolet light, and thanks to Caleb for suggesting we learn more about the dingo! Further reading: At Least 125 Species of Mammals Glow under Ultraviolet Light, New Study Reveals DNA has revealed the origin of this giant ‘mystery’ gecko Bootlace Worm: Earth’s Longest Animal Produces Powerful Toxin Non-stop flight: 4,200 km transatlantic flight of the Painted Lady butterfly mapped Gigantopithecus Went Extinct between 295,000 and 215,000 Years Ago, New Study Says First-Ever Terror Bird Footprints Discovered Last surviving woolly mammoths were inbred but not doomed to extinction Australian Dingoes Are Early Offshoot of Modern Breed Dogs, Study Shows A (badly) stuffed lava bear: Show transcript: Welcome to Strange Animals Podcast. I’m your host, Kate Shaw. This week we have our annual updates episode, and we’ll also learn about a mystery animal called the lava bear! As usual, a reminder that I don’t try to update everything we’ve ever talked about. That would be impossible. I just pick new information that is especially interesting. After our episode about animals and ultraviolet light, I got a great email from Kelsey and Torin with some information I didn’t know. I got permission to quote the email, which I think you’ll find really interesting too: “You said humans can’t see UV light, which is true, however humans can detect UV light via neuropsin (a non-visual photoreceptor in the retina). These detectors allow the body to be signaled that it’s time to do things like make sex-steroid hormones, neurotransmitters, etc. (Spending too much time indoors results in non-optimal hormone levels, lowered neurotransmitter production, etc.) “Humans also have melanopsin detectors in the retina and skin. Melanopsin detectors respond to blue light. Artificial light (LEDs, flourescents, etc) after dark entering the eye or shining on the skin is sensed by these proteins as mid-day daylight. This results in an immediate drop in melatonin production when it should be increasing getting closer to bedtime.” And that’s why you shouldn’t look at your phone at night, which I am super bad about doing. Our first update is related to ultraviolet light. A study published in October of 2023 examined hundreds of mammals to see if any part of their bodies glowed in ultraviolet light, called fluorescence. More than 125 of them did! It was more common in nocturnal animals that lived on land or in trees, and light-colored fur and skin was more likely to fluoresce than darker fur or skin. The white stripes of a mountain zebra, for example, fluoresce while the black stripes don’t. The study was only carried out on animals that were already dead, many of them taxidermied. To rule out that the fluorescence had something to do with chemicals used in taxidermy, they also tested specimens that had been flash-frozen after dying, and the results were the same. The study concluded that ultraviolet fluorescence is actually really common in mammals, we just didn’t know because we can’t see it. The glow is typically faint and may appear pink, green, or blue. Some other animals that fluoresce include bats, cats, flying squirrels, wombats, koalas, Tasmanian devils, polar bears, armadillos, red foxes, and even the dwarf spinner dolphin. In episode 20 we talked about Delcourt’s giant gecko, which is only known from a single museum specimen donated in the 19th century. In 1979 a herpetologist named Alain Delcourt, working in the Marseilles Natural History Museum in France, noticed a big taxidermied lizard in storage and wondered what it was. It wasn’t labeled and he didn’t recognize it, surprising since it was the biggest gecko he’d ever seen—two feet long, or about 60 cm. He sent photos to several reptile experts and they didn’t know what it was either. Finally the specimen was examined and in 1986 it was described as a new species.
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    18 mins
  • Episode 388: Washington’s Eagle

    Episode 388: Washington’s Eagle
    Jul 8 2024
    Further reading: Audubon's Bird of Washington: Unraveling the fraud that launched The Birds of America The Mystery of the Missing John James Audubon Self-Portrait Washington's eagle, as painted by Audubon: The tiny detail in Audubon's golden eagle painting that is supposed to be a self-portrait: The golden eagle painting as it was published. Note that there's no tiny figure in the lower left-hand corner: Show transcript: Welcome to Strange Animals Podcast. I’m your host, Kate Shaw. This past weekend I was out of town, or to be completely honest I will have been out of town, because I’m getting this episode ready well in advance. Since July 4 was only a few days ago, or will have been only a few days ago, and July 4 is Independence Day in the United States of America, I thought it might be fun to talk about a very American bird, Washington’s eagle. We talked about it before way back in episode 17, and I updated that information for the Beyond Bigfoot & Nessie book for its own chapter. When I was researching birds for episode 381 I revisited the topic briefly and realized it’s so interesting that I should just turn it into a full episode. We only have two known species of eagle in North America, the bald eagle and the North American golden eagle. Both have wingspans that can reach more than 8 feet, or 2.4 meters, and both are relatively common throughout most of North America. But we might have a third eagle, or had one only a few hundred years ago. We might even have a depiction of one by the most famous bird artist in the world, James Audubon. In February 1814, Audubon was traveling on a boat on the upper Mississippi River when he spotted a big eagle he didn’t recognize. A Canadian fur dealer who was with him said it was a rare eagle that he’d only ever seen around the Great Lakes before, called the great eagle. Audubon was familiar with bald eagles and golden eagles, but he was convinced the “great eagle” was something else. Audubon made four more sightings over the next few years, including at close range in Kentucky where he was able to watch a pair with a nest and two babies. Two years after that he spotted an adult eagle at a farm near Henderson, Kentucky. Some pigs had just been slaughtered and the eagle was looking for scraps. Audubon shot the bird and took it to a friend who lived nearby, an experienced hunter, and both men examined the body carefully. According to the notes Audubon made at the time, the bird was a male with a wingspan of 10.2 feet, or just over 3 meters. Since female eagles are generally larger than males, that means this 10-foot wingspan was likely on the smaller side of average for the species. It was dark brown on its upper body, a lighter cinnamon brown underneath, and had a dark bill and yellow legs. Audubon named the bird Washington’s eagle and used the specimen as a model for a life-sized painting. Audubon was meticulous about details and size, using a double-grid method to make sure his bird paintings were exact. This was long before photography. So we have a detailed painting and first-hand notes from James Audubon himself about an eagle that…doesn’t appear to exist. Audubon painted a few birds that went extinct afterwards, including the ivory-billed woodpecker and the passenger pigeon, along with less well-known birds like Bachman’s warbler and the Carolina parakeet. He also made some mistakes. Many people think Washington’s eagle is another mistake and was just an immature bald eagle, which it resembles. But here’s the problem. Audubon wasn’t always truthful. He painted some birds that he never saw but claimed he did, because another bird illustrator had painted them first. Once he claimed he went hunting with Daniel Boone in Kentucky in 1810, but at that time Boone would have been in his 70s and was living several states away. Audubon also claimed that he discovered a little bird called Lincoln’s sparrow, but this wasn’t the case.
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    12 mins
  • Episode 387: The Link Between Fossils and Folklore

    Episode 387: The Link Between Fossils and Folklore
    Jul 1 2024
    Thanks to Richard from NC for inspiring this episode! Further reading: Paleontologists Debunk Popular Claim that Protoceratops Fossils Inspired Legend of Griffin The Fossil Dragons of Lake Lucerne, Switzerland The Lindworm statue: A woolly rhinoceros skull: A golden collar dated to the 4th century BCE, made by Greek artisans for the Scythians, discovered in Ukraine. The bottom row of figures shows griffins attacking horses: The Cyclops and a (damaged, polished) elephant skull: A camahueto statue [photo by De Rjcastillo - Trabajo propio, CC BY 4.0, https://commons.wikimedia.org/w/index.php?curid=145434346]: Show transcript: Welcome to Strange Animals Podcast. I’m your host, Kate Shaw. This week we’re going to learn about the link between fossils and folklore, a topic inspired by a conversation I had with Richard from North Carolina. We know that stories about monsters were sometimes inspired by fossils, and we even have an example from episode 53. That was way back in 2018, so let’s talk about it again. In Klagenfurt in Austria there’s a statue of a dragon, called the lindorm or lindwurm, that was erected in 1593 to commemorate a local story. The story goes that a dragon lived near the lake and on foggy days would leap out of the fog and attack people. Sometimes people could hear its roaring over the noise of the river. Finally the duke had a tower built and filled it with brave knights. They fastened a barbed chain to a collar on a bull, and when the dragon came and swallowed the bull, the chain caught in its throat and tethered it to the tower. The knights came out and killed the dragon. The original story probably dates to around the 12th century, but it was given new life in 1335 when a skull was found in a local gravel pit. It was clearly a dragon skull and in fact it’s still on display in a local museum. The monument’s artist based the shape of the dragon’s head on the skull. In 1935 the skull was identified as that of a woolly rhinoceros. In 1989 a folklorist proposed that the legend of the griffin was inspired by protoceratops fossils. The griffin is a mythological creature that’s been depicted in art, writing, and folklore dating back at least 5,000 years, with early variations on the monster dating back as much as 8,000 years. The griffin these days is depicted as a mixture of a lion and an eagle. It has an eagle’s head, wings, and front legs, and it often has long ears, while the rest of its body is that of a lion. The griffin isn’t a real animal and never was. It has six limbs, for one thing, four legs and two wings, and it also has a mixture of mammal and bird traits. I can confirm that it’s a lot of fun to draw, though, and lots of great stories and books have been written about it in modern times. Ancient depictions of a griffin-like monster have been found throughout much of eastern Europe, the Middle East, the Mediterranean, northern Africa, and central Asia. Much of what we know about the griffin legend comes from ancient Greek and Roman stories, but they in turn got at least some of their stories from ancient Scythia. That’s important for the hypothesis that the griffin legend was inspired by protoceratops fossils. Protoceratops lived between 75 and 71 million years ago and its fossils have been found in parts of China and Mongolia. It was a ceratopsian but it didn’t belong to the family Ceratopsidae, which includes Triceratops. It grew up to about 8 feet long, or 2.5 meters, with a big skull and a neck frill, but while that sounds big, it actually was on the small size for a ceratopsian. At most it would have barely stood waist-high to an average human, so while it was heavy and compact, it was probably smaller, if not lighter, than a modern lion. It ate plants and while it had teeth, it also had a beak, sort of like a turtle’s beak. Folklorist Adrienne Mayor published a number of papers and a book in the 1990s discussing the links ...
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    14 mins
Biological Sciences Natural History
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Always lovely

Strange Animals Podcast is always entertaining and informative, fantastic for families. Highly recommended for homeschooling, too.

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Interesting

I loved it very entertaining would recommend if you love animal and want to learn more.

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