Mammals

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

By Yves Jeffcoat

In research that showed intentional expressions of desire, horses have been added to the short list of animals that can use symbols to communicate with humans.

By Jesslyn Shields

The most popular lady macaques show us why nitpicking pays off.

By Jesslyn Shields

Can you tell one species of giraffe from the next? We've got some pics to help you out.

By Kate Kershner

Thanks to the work of conservationists, these rare California island foxes have been removed from endangered species list and marked totally recovered.

By Christopher Hassiotis

The cuddly cubs were born in the same zoo that experienced disastrous flooding in 2015.

By Christopher Hassiotis

For some horses and ponies, Diet Coke can be a literal lifesaver.

By Kate Kershner

Hedgehog populations in Britain have dropped severely. Understanding how the animals have adapted to urban and rural spaces will help us help them.

By Christopher Hassiotis

Dutch researchers analyzed a surprising selection of exotic mammals to find which could most easily live alongside people in a humane way.

By Christopher Hassiotis

Talk about filthy lucre! Trace amounts of the precious metal turned up when scientists looked into bovine bathroom business.

By Christopher Hassiotis

Late-stage albinism? Disastrous paint spill? Marty McFly in giraffe form? Maybe the African mammal just has something in common with Michael Jackson.

By Laurie L. Dove

Rising sea levels wiped out the entire population of a rodent species only found on remote Australian island Bramble Cay. Who's next?

By Christopher Hassiotis

The population-control strategy to rid the islands of the invasive species would use something called "gene driving" and GMO rodents.

By Chris Opfer

In a surprising way, the Southeast Asian mammal, AKA the bearcat, creates a chemical compound shared with roasty, toasty human food, according to a new study.

By Christopher Hassiotis

Feral monkeys have roamed Silver Springs State Park in Florida since the 1930s.

By Karen Kirkpatrick

As the climate changes, some pika populations may die out, but others will flourish. A new study examined what's likely to happen in eight U.S. National Parks.

By Christopher Hassiotis

"The Jinx." "Making a Murderer." And now, orangutans? Why this female-on-female ape killing took researchers by surprise - and reads like a human true-crime drama.

By Jesslyn Shields

Motion-sensing cameras, detailed maps and a special poop-detecting dog all played a part in finding the jaguar nicknamed "El Jefe."

By Christopher Hassiotis

What do bats have in common with ice skaters and one-legged ducks? The answer to that helped illuminate one perplexing thing about the flying mammals.

By Karen Kirkpatrick

Breaking multiple records, Sarah set speeds never matched by any other animal. She was euthanized earlier this week by the staff at the Cincinnati Zoo, where she lived.

By Christopher Hassiotis

Groups of European bison make movement and grazing decisions by popular vote, choosing to follow or ignore potential leaders' suggestions.

By Laurie L. Dove

Pop culture has depicted chimps and other primates as both gun-wielding villains and saviors, but should humans be concerned about the possibility of armed apes?

By Karen Kirkpatrick

Creatures from pachyderms to bees are better than humans at detecting scents.

By Patrick J. Kiger

Some bats are messing with their neighbor's sonar to throw them off the track of food.

By Debbie Swanson

Bats can spread deadly human diseases. Join Lauren as she interviews a virologist about the powerful immune systems of these fascinating creatures of the night.