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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.
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Why Penguin Feet Don't Freeze
Penguins stand for months on the coldest ice in the world without their feet freezing, thanks to special blood circulation.
Why Do Monk Seals Get Eels Up Their Noses?
It looks excruciating, and nobody knows exactly why it happens.
Battle of the Best Sonar: 'Team Dolphin' vs. 'Team Bat'
Before you declare which team you're on, we've got the breakdown on this auditory battle royal.
5 Cool Cats in the Wild
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.
Humpback Whales Start Simpler Songs as Old Ones Get Too Complex
Do humpback whales get tired of singing the same old song, or do they simply start over when it gets too complicated?
Wolves' Return to Yellowstone a Boon for Streams
A first-of-its-kind study reaffirms why wolves are vital to the health of our ecosystem.
Buffalo Roundup Evokes Images of the Wild West
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 Figure Out Why Elephants' Skin Is So Cracked
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.
Contrary to Popular Opinion, Cats Are No Good at Catching Rats
The old saw about cats being good catchers of rats was finally put to scientific study — and the results were pretty sad.
Baby Giraffes Get Their Spots From Mom
A new study found that those spot patterns are not only inherited from mom, they help camouflage baby giraffes in the wild.
PCBs Are Killing Killer Whales
A new study paints a grave future for the killer whale, all because of the now-banned chemicals polychlopinated biphenyls — PCBs.
What a Tangled Web a Few Squirrels' Tails Can Weave
It's a natural phenomenon known as a 'squirrel king.' But what's the deal and why do squirrels get tangled up?
How Billie the Dolphin Taught Her Flippered Friends to Bust a Move
A dolphin named Billie learned a dolphin-show trick from some captive dolphins, taught her wild friends how to do it and started a fad.
Don't Hate This Squirrel Because He's Beautiful
The Indian giant squirrel is covered in flamboyant colors like orange, black and bright purple. But why?
Goats Really Like it When You Smile at Them
Domesticated animals like dogs and horses are known to respond to human facial expressions, but a new study finds that goats also like it when we smile.
Zombie Gene Protects Elephants From Cancer
A strange evolutionary plot twist has been uncovered in the search for why elephants rarely get cancer.
Orca Mother Grieves Dead Calf More Than Two Weeks
A mother orca spent more than two weeks clinging to her dead calf. But why?
Elephants Are Terrified of ... Honeybees?
It used to be assumed that African bush elephants avoided the sound of an angry bee hive. Now researchers believe they have receptors to detect a bee's alarm pheromones.
Rare Hybrid Whale-dolphin Spotted in Hawaii
Is it a whale ... a dolphin? Is it a whale-pin?
Pot Farming Threatens Adorable Weasel
The Humboldt marten was thought to be extinct until it was rediscovered in 1996. Now it is threatened again.
Dolphins and Porpoises: They're Different!
Breaking news: Dolphins and porpoises don't actually look very much alike.
Sloths Only Poop Once a Week — But They Make It a Good One
Once a week or so, sloths climb down from their trees and poop on the ground. It feels so good, they do a little dance. But this time of pleasure is also a time of peril.
Changing Livestock Feed Might Help Save the Planet
Could such a simple change make a major impact? A new study says it's possible.
It's Gardening Season: 5 Tips to Keep Squirrels Out
Once you accept squirrels aren't going anywhere, you can apply a more creative approach to keeping the critters away from your prized tomatoes.
Your Bed Has More Poop Than a Chimp's
Think your bed is cleaner than a chimp's? Researchers at North Carolina State University set out to find the answer.
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