ScottMLiddell via Wikipedia // CC BY 2.0 UK 
ScottMLiddell via Wikipedia // CC BY 2.0 UK 

13 Furry Facts About Pallas’s Cat

ScottMLiddell via Wikipedia // CC BY 2.0 UK 
ScottMLiddell via Wikipedia // CC BY 2.0 UK 

Far across the world, an elusive—and adorable—wildcat called Pallas’s cat (also known as the manul) roams the grasslands and steppes of Central Asia and Eurasia. Get to know the flat-faced, furry kitty, which has been featured in memes and viral videos and recently received its own wildlife preserve in Asia’s Altai Mountains.

1. IT'S NAMED AFTER THE NATURALIST PETER PALLAS.

The German naturalist Peter Pallas first described the furry wildcat in 1776. He named the kitty Felis manul, and theorized that it was an ancestor of the Persian cat, thanks to its round face, luxurious coat, and stocky body. (He was wrong.)

2. ITS SCIENTIFIC NAME MEANS "UGLY-EARED" …

Later on, the cat's scientific name was changed from Felis manul to Otocolobus manul—not exactly the most flattering moniker, since Otocolobus is Greek for “ugly-eared.”

3. … BUT ITS UNUSUAL EARS COME IN HANDY.

Some may consider the Pallas’s cat’s ears to be ugly, while others might think they’re adorable. Arguments aside, the cat’s round ears—which sit flat on the sides of its head—are one of its most distinguishing features. As Crystal DiMiceli, a wild animal keeper at the Prospect Park Zoo in Brooklyn, New York, explains in the above video, having low-positioned ears helps the cat conceal itself—they don’t poke up to reveal the animal's position while it's hiding or hunting.

4. IT HAS A DENSE, PLUSH COAT.

The coat of the Pallas's cat is its true crowning glory. It’s longer and denser than any other coat belonging to a member of the Felid species (growing in even heavier in the winter), and the undercoat on its belly is twice as long as the fur covering the rest of its body. The shade ranges from silvery grey during the winter to a darker, red-toned hue during warmer months. (Some cats are also red, particularly in Central Asia.) Its broad head is streaked and speckled with dark markings, and its bushy tail is banded with stripes and a dark tip. These markings tend to appear darker during the summer.

5. ITS FUR BLENDS IN WITH ITS HABITAT, WHICH CONCEALS IT FROM PREDATORS.

Pallas's cats live in areas ranging from Pakistan and northern India to central China, Mongolia, and southern Russia. According to Wild Cats of the World, by Luke Hunter, its body isn’t adapted for snow, so it sticks to cold, arid habitats—particularly grassy or rocky areas, which help conceal it from predators—at elevations of around 1500 to nearly 17,000 feet. The stocky cat isn’t a fast runner, so when it senses danger, it freezes and crouches flat and motionless on the ground, and its fur helps it blend in with its dry surroundings.

6. PALLAS'S CATS AREN'T FAT—THEY'RE JUST FURRY.

 
These felines typically weigh less than 12 pounds, and they’re usually only 2 feet or less in body length—meaning they’re not that much larger than an ordinary house cat.

7. THEIR PUPILS ARE ROUND INSTEAD OF VERTICAL.

Pallas's cats do share one feature in common with larger wildcats, like lions and tigers: their eyes. Their pupils are round, whereas a house cat's pupils are vertical and slit-shaped. Wondering why some cats have round pupils while others have vertical ones? A recent study conducted by researchers at the University of California, Berkeley found that animals’ pupil shapes might indicate their role in the predator/prey food chain. They analyzed 214 species of land animals (including cats), and noted that species with vertical pupils tended to be ambush predators that were active during both day and night. In contrast, species with vertical pupils were often “active foragers,” meaning they chase their prey. Also, predators that are closer to the ground, like house cats, were prone to vertical pupils, whereas larger wildcats had round ones. Pallas’s cats are small, and they are primarily ambush hunters, so the jury’s still out on whether the study's findings hold true for all creatures.

8. THEY SUBSIST MOSTLY ON PIKA.

Pallas's cats are ambush hunters and spend much of their time hunting pika, a small mammal, and other critters like gerbils, voles, hares, ground squirrels, birds, and young marmots. Pika typically make up more than 50 percent of the cat's diet. 

9. THEY MAY BE DISTANTLY RELATED TO THE LEOPARD CAT.

Peter Pallas thought the animal was related to the Persian cat. (We think it looks like a Maine Coon and a Scottish Fold had a baby and weaned it on steroid milk.) However, experts have uncovered evidence that the wildcat’s nearest—yet still pretty distant—relative might be the leopard cat.

10. THEY'RE NOT SOCIAL ANIMALS …

The Pallas's cat is notoriously elusive and spends much of its time hiding in caves, crevices, or abandoned burrows.

11. … AND THEY DON'T SEEM TO LIKE EACH OTHER MUCH.

Pallas's cats may be adorably fluffy, but they aren’t the world’s sweetest, most cuddly creatures. In fact, they’re very aggressive. Case in point: In The Wild Cat Book, authors Fiona and Mel Sunquist recount an anecdote provided by Bill Swanson, the Cincinnati Zoo’s director of animal research. Zookeepers thought that a litter of newborn Pallas's cats were having difficulty breathing, but “when they listened closely, they realized that the noise they were hearing was the kittens growling and hissing at each other—before they had even opened their eyes!"

12. THEIR MATING PERIOD IS BRIEF.

Pallas’s cats mate between December and March; the females typically give birth between the end of March and May, after a gestation period of 66 to 75 days. Pallas’s cats usually give birth to three or four kittens, but litters can sometimes have as many as eight kittens. Kittens become independent by four to five months, and when they reach nine to ten months, they’re mature enough to reproduce. 

13. THEY'RE CLASSIFIED AS "NEAR-THREATENED."

It's estimated that Pallas's cats can live up to six years in the wild, but thanks to predators and other dangers, their lifespan is likely to be half this length. In captivity, they’ve been known to survive for nearly 12 years.

In 2002, the International Union for Conservation of Nature classified the Pallas’s cat as “near threatened.” Many factors contribute to their low numbers, including farming, agricultural activities, mining, and poisoning campaigns aimed at reducing pika and marmot populations. They're also killed in traps meant for wolves and foxes, or by domestic dogs. And despite international trading bans and legal protections in some countries, they're often hunted for their fur. (The cat's fat and organs are also used to make traditional medicines.) 

Scientists don't have enough data to estimate the Pallas’s cat's population size, but due to their scarcity and the myriad threats they face, experts believe that their numbers have dropped by 10 to 15 percent over the past decade or so. To better understand—and protect—the animal, an international team of conservationists recently secured a 12-mile swath of land in Sailyugemsky Nature Park, which lies in the Altai Mountains between Kazakhstan and Mongolia, as a sanctuary for the rare cat. There, they hope to monitor its population, study its habitat, and build a database of information detailing encounters with it. 

Additional Source: Wild Cats of the World

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Animals
14 Bold Facts About Bald Eagles
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Bald eagles are powerful symbols of America—but there’s a whole lot more to these quirky birds.

1. YOUNG BALD EAGLES AREN'T BALD.

A young bald eagle with a brown head on a beach.
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So obviously adult bald eagles aren't really bald, either—their heads have bright white plumage that contrasts with their dark body feathers, giving them a "bald" look. But young bald eagles have mostly brown heads. In fact, for the first four or five years of their lives, they move through a complicated series of different plumage patterns; in their second year, for instance, they have white bellies.

2. BALD EAGLES SOUND SO SILLY THAT HOLLYWOOD DUBS OVER THEIR VOICES.

A red-tailed hawk.
A red-tailed hawk's screech is usually dubbed over the bald eagle's weaker scream.
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It's a scene you’ve probably seen countless times in movies and on TV: an eagle flies overhead and emits a rough, piercing scream. It's a classic symbol of wilderness and adventure. The only problem? Bald eagles don't make that sound.

Instead, they emit a sort of high-pitched giggle or a weak scream. These noises are so unimpressive that Hollywood sound editors often dub over bald eagle calls with far more impressive sounds: the piercing, earthy screams of a smaller bird, the red-tailed hawk. If you were a fan of The Colbert Report, you might remember the show's iconic CGI eagle from the opener—it, too, is making that red-tailed hawk cry. Listen for yourself and decide who sounds more impressive.

3. THEY EAT TRASH AND STOLEN FOOD.

Two bald eagles guard their prey against two magpies on a snowy field.
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Picture a majestic bald eagle swooping low over a lake and catching a fish in its powerful claws. Yes, bald eagles eat a lot of fish—but they don't always catch it themselves. They've perfected the art of stealing fish from other birds such as ospreys, chasing them down until they drop their prey.

Bald eagles will also snack on gulls, ducks, rabbits, crabs, amphibians, and more. They'll scavenge in dumpsters, feed on waste from fish processing plants, and even gorge on carrion (dead, decaying animals).

4. BALD EAGLES USUALLY MATE FOR LIFE.

Two bald eagles perched on a tree.
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Trash and carrion aside, they're pretty romantic animals. Bald eagles tend to pair up for life, and they share parenting duties: the male and the female take turns incubating the eggs, and they both feed their young.

5. … AND THEY LIVE PRETTY LONG LIVES.

Two bald eagles sitting on a rock.
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Those romantic partnerships are even more impressive because bald eagles can survive for decades. In 2015, a wild eagle in Henrietta, New York, died at the record age of 38. Considering that these birds pair up at 4 or 5 years of age, that's a lot of Valentine's Days.

6. THEY HOLD THE RECORD FOR THE LARGEST BIRD'S NEST.

Two bald eagles in their large nest.
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Bald eagles build enormous nests high in the treetops. The male and female work on the nest together, and this quality time helps them cement their lifelong bond. Their cozy nurseries consist of a framework of sticks lined with softer stuff such as grass and feathers. If the nest serves them well during the breeding season, they'll keep using it year after year. And, like all homeowners, they can't resist the thought of renovating and adding to their abode. Every year, they'll spruce it up with a whopping foot or two of new material.

On average, bald eagle nests are 2-4 feet deep and 4-5 feet wide. But one pair of eagles near St. Petersburg, Florida, earned the Guinness World Record for largest bird’s nest: 20 feet deep and 9.5 feet wide. The nest weighed over two tons.

7. FEMALES ARE LARGER THAN MALES.

Two bald eagles in their large nest.
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In many animal species, males are (on average) larger than females. Male gorillas, for example, dwarf their female counterparts. But for most birds of prey, it's the opposite. Male bald eagles weight about 25 percent less than females.

Scientists aren't sure why there's such a size difference. One reason might be the way they divide up their nesting duties. Females take the lead in arranging the nesting material, so being bigger might help them take charge. Also, they spend longer incubating the eggs than males, so their size could intimidate would-be egg thieves.

If you're trying to tell male and female eagles apart, this size difference may help you—especially since both sexes have the same plumage patterns.

8. TO IDENTIFY THEM, LOOK AT THE WINGS.

A bald eagle flies across the water.
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People often get excited about a big soaring bird and yell "It's an eagle!” just before it swoops closer and … oops, it's a vulture. Here's a handy identification tip. Bald eagles usually soar with their wings almost flat. On the other hand, the turkey vulture—another dark, soaring bird—holds its wings up in a shallow V shape called a dihedral. A lot of large hawks also soar with slightly raised wings.

9. THEY'RE COMEBACK KIDS.

Baby eagle chicks in a nest.
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Before European settlers arrived, bald eagles were abundant across the U.S. But with settlement came habitat destruction, and the settlers viewed the eagles as competition for game and as a threat to livestock. So many eagles were killed that in 1940 Congress passed an act to protect the birds.

Unfortunately, another threat rose up at about that time. Starting after World War II, farmers and public health officials used an insecticide called DDT. The chemical worked well to eradicate mosquitos and agricultural pests—but as it traveled up the food chain, it began to heavily affect birds of prey. DDT made eagle eggshells too thin and caused the eggs to break. A 1963 survey found just 471 bald eagle pairs in the lower 48 states.

DDT was banned in the early 1970s, and conservationists began to breed bald eagles in captivity and reintroduce them in places across America. Luckily, this species made a spectacular recovery. Now the lower 48 states boast over 9700 nesting pairs.

10. THEY'RE UNIQUELY NORTH AMERICAN.

An African fish eagle flies over the water.
The African fish eagle is a relative of the North American bald eagle.
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You've probably heard of America's other eagle: the golden eagle. This bird lives throughout much of the northern hemisphere. But the bald eagle is only found in North America. It lives across much of Canada and the U.S., as well as northern parts of Mexico.

Though it may be North American, the bald eagle has seven close relatives that are found throughout the world. They all belong to the genus Haliaeetus, which comes—pretty unimaginatively—from the Latin words for "sea" and "eagle." One relative, the African fish eagle, is a powerful symbol in its own right. It represents several countries; for example, it's the national symbol of Zambia, and graces the South Sudanese, Malawian, and Namibian coats of arms.

11. THEY'RE AERIAL DAREDEVILS.

A bald eagle carries a fish off in its talons.
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It seems too weird to be true: While flying, bald eagles sometimes grab each other's feet and spin while plummeting to the Earth. Scientists aren't sure why they do this—perhaps it's a courtship ritual or a territorial battle. Usually, the pair will separate before hitting the ground (as seen in this remarkable set of photographs). But sometimes they hold tight and don't let go. These two male bald eagles locked talons and hit the ground with their feet still connected. One subsequently escaped and the other was treated for talon wounds.

12. THEIR EYES ARE AMAZING.

Close-up of a bald eagle's face.
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What if you could close your eyes and still see? Besides the usual pair of eyelids, bald eagles have a see-through eyelid called a nictitating membrane. They can close this membrane to protect their eyes while their main eyelids remain open. The membrane also helps moisten and clean their eyes.

Eagles also have sharper vision than people, and their field of vision is wider. Plus, they can see ultraviolet light. Both of those things mean the expression "eagle eye" is spot-on.

13. THEY MIGRATE … SORT OF.

A bald eagle sits in a snowy tree.
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If you're a bald eagle that nests in northern Canada, you'll probably head south for the winter to avoid the punishing cold. Many eagles fly south for the winter and return north for the summer—as do plenty of other bird species (and retired Canadians). But not all bald eagles migrate. Some of them, including individuals in New England and Canada's Maritime provinces, stick around all year. Whether or not a bird migrates depends on how old it is and how much food is available.

14. THEY CAN SWIM … SORT OF.

A bald eagle
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There are several videos online—like the one above—that show a bald eagle swimming in the sea, rowing itself to shore with its huge wings. Eagles have hollow bones and fluffy down, so they can float pretty well. But why swim instead of soar? Sometimes, an eagle will swoop down and grab an especially weighty fish, then paddle it to shore to eat.

Note that the announcer in the video above says that the eagle's talons are "locked" on a fish that's too heavy to carry. In fact, those lockable talons are an urban legend.

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How Bats Protect Rare Books at This Portuguese Library
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Visit the Joanina Library at the University of Coimbra in Portugal at night and you might think the building has a bat problem. It's true that common pipistrelle bats live there, occupying the space behind the bookshelves by day and swooping beneath the arched ceilings and in and out of windows once the sun goes down, but they're not a problem. As Smithsonian reports, the bats play a vital role in preserving the institution's manuscripts, so librarians are in no hurry to get rid of them.

The bats that live in the library don't damage the books and, because they're nocturnal, they usually don't bother the human guests. The much bigger danger to the collection is the insect population. Many bug species are known to gnaw on paper, which could be disastrous for the library's rare items that date from before the 19th century. The bats act as a natural form of pest control: At night, they feast on the insects that would otherwise feast on library books.

The Joanina Library is famous for being one of the most architecturally stunning libraries on earth. It was constructed before 1725, but when exactly the bats arrived is unknown. Librarians can say for sure they've been flapping around the halls since at least the 1800s.

Though bats have no reason to go after the materials, there is one threat they pose to the interior: falling feces. Librarians protect against this by covering their 18th-century tables with fabric made from animal skin at night and cleaning the floors of guano every morning.

[h/t Smithsonian]

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