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.
Despite being known as the "lesser panda," the red panda is so totally cute, we simply can't use that moniker. No way. Not now. Not ever.
As much as human beings have encroached on wildlife over recent decades, there are still several species of big cats living wild in the U.S. today.
The ocelot may look like a slightly wilder version of a domesticated tabby cat, but they are three times the size of house cats, much fiercer and, though abundant in some areas, still endangered.
These adorable little rodents are popular as pets, but they require some special care.
It may seem like just the cutest thing in the world to you, but owning a pet monkey is a really bad idea. Here's why.
These little critters are super cute, so why do they have a reputation for being one of the worst of the mammal world?
Alpacas are highly intelligent and they're not pets. They require a lot of research and specialized knowledge if you plan to bring a few home.
Because most of what we know about honey badgers comes from a three-minute comedy video, there are a lot of misconceptions about these wily weasels.
Sure, hedgehogs are cute as heck, but do you think one really wants to live in your house?
There doesn't seem to be much of a gray area. Most people are a hard yes or yard no.
Sure, opossums eat out of your trashcan, but they're also strange little superheroes.
Your favorite cashmere sweater is super-soft and luxurious. It probably cost you an arm and leg, too. Here's why.
A group of researchers in Shennongjia National Nature Reserve discovered that these female monkeys are essentially happy to feed each other's offspring.
Perhaps it's a mating signal. Or meant to confuse owls and other predators. Or maybe it's just for looks.
Elephants make a specific sound to warn each other of nearby humans.
This could mean good news for conservation and anti-poaching efforts if other species follow suit.
A dolphin doesn't breathe automatically, so during sleep, one side of its brain stays awake to ensure the mammal rises to the surface and breathes.
Penguins stand for months on the coldest ice in the world without their feet freezing, thanks to special blood circulation.
It looks excruciating, and nobody knows exactly why it happens.
Before you declare which team you're on, we've got the breakdown on this auditory battle royal.
When we think of big cats in the wild, we most likely think of lions and tigers. But there are so many more amazing wild cats you've probably never even heard of. Here are five.
Do humpback whales get tired of singing the same old song, or do they simply start over when it gets too complicated?
A first-of-its-kind study reaffirms why wolves are vital to the health of our ecosystem.
The annual bison roundup in South Dakota's Custer State Park is a spectacle full of cowboys, horses and of course wild buffalo, all set against the backdrop of the rolling Black Hills. It's also about as Americana as you can get.
Scientists have known for a long time that elephants have no sweat glands and keep cool through slinging mud on their skin. But they didn't know what made the skin so wrinkled — until now.