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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Narwhals Caught on Video Using Their Tusks to Hunt

It's the first evidence researchers have of the whales using their "unicorn horns" to capture prey.

Aromatherapy Shows Promise for Stressed Horses

Humans may not be the only animals that dig a soothing whiff of lavender oil.

Naked Mole Rats Survive Without Oxygen by Turning Into Plants

Deprived of oxygen, naked mole rats can alter their metabolic functions to something less mammalian and more plantlike, burning fructose instead of glucose.

These Arctic Squirrels Repeat Puberty Every Year of Their Lives

It's like the movie "Groundhog Day" every April, but with hibernation, a smaller rodent and way more hormones.

Wildlife Bridges Around the World Are Helping Deer and Crabs Cross Roads Safely

Officials are building bridges and underpasses to help animals safely cross busy roadways, which keeps the motorists and crossing creatures out of harm's way.

Wild Lemurs Get Their Own Facial Recognition Software

Scientists hope to eliminate need for tagging, extend system to other wild animals.

Some Wild Elephants Need Only Two Hours of Sleep

The two elephants studied even went some days without sleeping at all.

White Rhinos Communicate via Massive Communal Poop Piles

Rhino herds defecate in giant, shared dung piles called midden, then they stick their noses in the stuff. Here's why.

The U.S. Wild Pig Population Is Exploding

The feral pig population in the U.S. is a growing issue in nearly 40 states. The USDA hopes to wipe out the billion-dollar problem within a decade.

Solar Flares Could Scramble Signals, Cause Mysterious Whale Beachings

Each year, hundreds of healthy whales end up stranded on beaches, and scientists are investigating what could be behind the phenomenon.

Do Big Cats Freak Out Over Laser Pointers Like House Cats?

House cats seem to love chasing laser pointers. But what about their larger, wilder cousins?

5 Things You Didn't Know About Squirrels

If you look outside your window right now, you'll probably see one running up a tree or checking you out. How did the squirrel get so commonplace?

Orca Menopause May Be Related to Mother-Daughter Competition

Only three mammal species on Earth lose the ability to reproduce during middle age. Killer whales, like us, are one of that select group. But why?

Baby Elephant Learns to Walk Again With Hydrotherapy

After losing part of her foot to a snare, the 6-month-old elephant named Clear Sky has to learn how to walk again.

Madagascar's Most Famous Species Is Near Extinction

Ring-tailed lemurs — perhaps the most iconic species on the tropical island of Madagascar — are in significant decline due to habitat loss, hunting and illegal capture.

Elephants Eat Leftover Christmas Trees

Zookeepers in Europe feed their elephants surplus holiday foliage, giving the animals a treat they both eat and play with.

Marmosets Have Excellent Hearing, and That Might Help Improve Tech for the Deaf

Thanks to the humanlike pitch awareness of these adorable primates, researchers have more insight into how sound is processed in the brain.

Monkeys Have the Anatomy for 'Human' Speech, But Not the Brains

Turns out the reboot of 'Planet of the Apes' got one thing right — it's the brains monkeys lack, not the anatomy.

Spicy Vest Full of Chili Powder Protects Dogs From Wolf Attacks

One Finnish town is trying out an unconventional method for protecting their pets from protected wolves.

Rats Are Ticklish Just Like Humans, New Study Shows

They're dirty, hairy, mangy-looking creatures — and they giggle and squirm when tickled, just like us.

Aging Bonobos Experience Vision Deterioration Just Like Humans Do

Who doesn't love a farsighted ape wearing reading glasses?

Narwhal Echolocation Abilities Exceed Those of Any Other Animal, Study Finds

It turns out that one of the world's most enchanting animals has even stronger superpowers than we previously knew. Surprise!

Brazilian Free-tailed Bats Are Way Faster Than We Thought

Yes, these nocturnal mammals can fly faster than our most beloved speedy birds. And they beat the record by a long shot.

Adorable Echidnas Keep Australia's Soil Healthy

Yep, these adorable Seussian misfits play a key role in the local environment.

The World's Most Trafficked Mammal Just Got New International Protections

More than 180 countries signed a new agreement to combat trade of the pangolin—the most critically endangered animal you've never heard of. Will it be enough?

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