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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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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.

Deadly Chlamydia Threatens Koalas Down Under

Koala populations in Australia are in decline, in part due to the ravages of chlamydia, a sexually transmitted bacterial infection.

A Smart Lemur Is a Popular Lemur

It pays to be brainy when you're a ring-tailed lemur.

Platypus Milk: Our Best Hope Against an Antibiotic-Resistant Future

The platypus may look a bit absurd and bizarre, but its milk might hold the secret to fighting antibiotic-resistant bacteria.

Nutria: River Rats Only a Mother Could Love

Nutria are jumbo-sized rodents that reproduce and eat at a jumbo-sized pace.

Will a Coyote Kill My Dog or Cat?

Urban coyotes have a fierce and formidable reputation as midnight predators, but coexistence with humans is possible.

For Naked Mole Rats, Age Doesn't Increase the Risk of Death

Naked mole rats are famous for their longevity, but they also don't age like the rest of us do.

5 Chimps Who Grew Up in Human Families

Some people mistakenly believe that if chimps are socialized from an early age, they're not a threat to humans. But these five families found out the hard way that chimps will always be chimps.

Squirrels Are Hardwired to 'Dance' When a Car's Coming

Why do squirrels exhibit behavior that can get them killed by cars? And how can you avoid them?

New Coconut-eating, Tree-dwelling Giant Rat Species Discovered

The first new rat species found in the Solomon Islands in 80 years has been uncovered. But due to deforestation of its habitat, very few may still exist.

Squirrels Actually Organize Their Nut Hoard — Here's Why

A new study, along with previous research, suggests squirrels use mnemonic strategies to remember where they put the good nuts.

New Research Helps Confirm Why Horses Have Single-toed Hooves

Today, horses have one huge toe on each leg — but they weren't always that way. Why the single digit now?

Hedgehog Balloon Syndrome Sounds Adorable, Can Be Deadly

Due to a quirk in their anatomy, injured hedgehogs can experience skin inflating to the size of a basketball, which can be a painful and life-threatening development.

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