Animals

A young chimpanzee sets out for a stroll in Tanzania's Mahale Mountains National Park.

Walking Chimps Move in Surprisingly Similar Ways to Humans

Motion-sensor studies showing how chimpanzees walk upright could help scientists better understand the evolution of bipedalism

The Kirtland's warbler needs humans to cut and replant the trees it nests in. Without this work, the species' painstaking recovery from less than 1,000 males to over 2,000 could be erased.

This Bird Didn’t Start the Fires, But It May Need Them to Survive

An endangered bird once threatened by humans now relies on us for its survival

The flat-tail horned lizard's desert habitats in the American West are changing rapidly, thanks to us humans.

Even Desert Lizards Are Feeling the Heat Due to Climate Change

But Smithsonian scientists are probing the flat-tail horned lizard's DNA to save the rare species

Setting up sound monitors in Papua New Guinea.

Scientists Are Recording 24-Hour Soundtracks of Rainforests

The bioacoustic data gives Nature Conservancy researchers clues about the health of an ecosystem

King Crabs Are About to Take Over Antarctica

As oceans warm, Antarctica braces for an invasion of shell-cracking crabs

An adult tammar wallaby on Kangaroo Island, Australia.

Mother Wallabies Are Delaying Births Due to Bright Lights

Marsupials exposed to artificial light had their babies a month later than those that spent nights solely lit by the stars and moon

A spectacled fruit bat hangs out in search of its next meal. Many bats eat nectar with grooved tongues that are posing quite a mystery for scientists.

This Bat's Tongue Works Like a Conveyor Belt

The unique tongues are raising new questions for scientists

PETA Wants a Selfie-Snapping Monkey to be Granted Copyright to its Photo

PETA Wants a Selfie-Snapping Monkey to be Granted Copyright to its Photo

South Dakota’s Buffalo Roundup Is Pure Americana Spectacle

Watch wranglers bring in a free-roaming herd of 1,300 bison. Just be sure to get out of the way.

Electric Fishing Puts a Rare Dolphin-Human Partnership at Risk

Illegal fishing practices are threatening traditional cooperation between humans and river dolphins in Burma

A 19th-century illustration published by Alphonse Milne-Edwards.

How America Fell in Love With the Giant Panda

A French missionary, Teddy Roosevelt’s sons, and a widowed socialite all factor into the tale of how the nation fell in love with the rare beast

New Zealand North Island Robin

How to Give a Robin an IQ Test

Testing whether individual animals are smarter than others of their species is tricky

Kapparot for penance and purification at Mahane Yehuda Market, Jerusalem, Israel.

It Is Officially Legal to Ritually Kill Chickens on the Streets of New York City

A judge ruled that there was not enough evidence that the practice was a public nuisance

Some Ocean Populations Declined by Nearly 50 Percent Between 1970 and 2012

Is there still a chance to stave off a growing crisis beneath the waves?

Great apes, like us, react to a good scare.

Horror Films for Apes Are Teaching Scientists About Long-Term Memory

Eye tracking during scary shows helped scientists reveal that great apes can access memories of single significant events

The Best Places to See Wild Horses in North America

From Nevada to Nova Scotia, here are the top locations to see these beautiful and majestic creatures

This pig could be growing a heart or lungs for a transplant.

The Future of Animal-to-Human Organ Transplants

Could a genetically engineered pig heart one day function in a person?

It's OK, buddy. We're here to help.

Domestication Seems to Have Made Dogs a Bit Dim

Thanks to their relationship with us, dogs are less adept at solving tricky puzzles than their wolf relatives

Keepers weighed the panda cub Sept. 14, when Mei Xiang left her den. He weighed 1.9 pounds.

The National Zoo Wants Your Cutest Panda Cam Photos

Can't get enough of the panda cam? You're not alone.

Milk is udderly fascinating.

Seven of the Most Extreme Milks in the Animal Kingdom

A lactation expert breaks down why rhinos, rabbits and even pigeons produce their own special blends for babies

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