Mammals
Scientifically-speaking there are 11 mammal groups, and most Mammals are warm-blooded, have body hair, give live birth and nurse their young with milk from mammary glands. Check out these articles about all kinds of mammals.
The White Whale Whistles and Clicks—Not Your Typical Whale Song
Why Are Blue Whales Going Silent?
What Is a Group of Otters Called? The Official Terms Are Adorable
The Smallest Bat in the World Is the Size of a Bumblebee
The Largest Bat in the World Has a Wingspan Over 5 Feet
Baby Bats Babble With Moms, Hinting at Human Language Development
This Spirit Bear Is Neither Albino Nor a Polar Bear
What Is a Group of Polar Bears Called? Sounds Sneaky
What Is a Group of Pandas Called? We're Blushing
What Is a Group of Jaguars Called? Sounds Shady...
What Is a Group of Coyotes Called?
What Is a Group of Leopards Called? Hint: It's Related to Their Behavior
What Is a Group of Elk Called? Not Always a Gang
What Is a Group of Buffalo Called? Hint: It Also Applies to Bison
What Is a Group of Cows Called? Not Always a Herd
The Happiest Animal on Earth Is the Quokka
What Do Possums Eat? Most Things, It Turns Out
What's It Like Inside a Kangaroo's Pouch?
What Is a Group of Baboons Called, a Congress or a Troop?
What Is a Group of Apes Called? Not a Troop but a...
What Is a Group of Lemurs Called? Sounds Highly Suspicious
What Is a Group of Guinea Pigs Called? It's Bigger Than You'd Expect
What Is a Group of Capybaras Called? Reminiscent of Cattle
What Is a Group of Porcupines Called? Exactly What It Looks Like
What Group of Animals Is Called a Business?
What Is a Group of Sloths Called? It's About as Cuddly As They Are
What Is a Group of Hedgehogs Called? It's Adorably Appropriate
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In this guide to the Giant Panda, you'll learn about the current threats and it's habitat.
In this guide to the Red Fox, you'll learn cool facts about its habitat, unique behaviors and it's converstation status.
In this guide to the American Bison, you'll learn cool facts about its habitat, unique behaviors and it's converstation status.
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In this guide to the Black-Tailed Prairie Dog, you'll learn cool facts about its habitat, unique behaviors and it's converstation status.
As with other tapirs, the short trunk of the Baird's tapir is composed of nose and upper lip. The tapir uses its trunk to pick up grasses, leaves is and fruit and carry them to the mouth.
The largest bat in the New World and the only species in its genus, Vampyrum spectrum was once thought to drink blood.
In this guide to the Goodfellow's Tree Kangaroo, you'll learn cool facts about its habitat, unique behaviors and it's converstation status.
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In this guide to the Kinkajou, you'll learn cool facts about its habitat, unique behaviors and it's converstation status.
What do bears do during the year? Check out this article to learn about behavior of bears from January to December.
The brown bear, the grizzly, and the Kodiak bear are all part of the brown bear species. Learn about the Brown Bear in this article.
Learn all about tigers with these HowStuffWorks Tiger Facts!
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The eastern gray squirrel's natural habitat is the hardwood oak, hickory is and walnut forests of eastern North America, where its numbers are controlled by resource availability and predators such as bobcats, owls is and foxes.
Thoroughbred horses aren't just pretty; they're the end result of centuries of breeding and record-keeping. Where did Thoroughbreds come from -- and why are so many so determined to keep them pure?
By Josh Clark
You want to track a bear, but don't know how to do it. Learn about how to track a bear in this article.
You'd like to learn how to ride a pony at a canter. Read here to find out about how to ride your pony at a canter.
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You're friends have told you that it's not hard to learn how to gallop on a horse. Read here to learn how to gallop on a horse.
You'd like to trap the skunk in your backyard, without getting sprayed. Find out here how to trap a skunk without getting sprayed.
Check out these adorable pictures of baby bears and see if you can handle the cuteness!
Most jackals have the same nuclear family as the one portrayed in "Leave it to Beaver" -- a father, a mother and the kids. So do Mama and Papa jackal call a babysitter when they want date night?
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We all know that the humps on a camel help it to survive in the harsh desert environment. What exactly is inside the hump of a camel? Does the hump store water? Find out the answer to these questions in this article from HowStuffWorks.
Humans have a peculiar knack for naming animals based on their doppelgangers instead of their biology. Sea horses aren't really horses is and koala bears aren't exactly bears. So what's the deal with mountain goats versus true goats?
Tasmanian devils are scrappy little marsupials with jaws as strong as tigers'. But a deadly form of cancer is threatening to annihilate the species. Can the devils be saved before it's too late?
By Alia Hoyt & Cristen Conger
A long, long time ago, lemurs lived all over the world. But something happened to kill them off - everywhere except in Madagascar. How did the island protect them from extinction?
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Lions aren't known for their tendency to pass up a big, juicy steak. So if you're an African buffalo, how can you keep your hide intact?
By Tom Scheve
Ever heard that the grass is always greener on the other side? While we may think of it as a quaint proverb, wildebeests abide by it. In fact, their entire lives' purpose is dedicated to finding the greenest, freshest patch of grass.