Most cat allergies are caused by a protein called Fel d 1 that's found in cat saliva and skin glands, and often gets wicked into fur.

What Does a Study of Slow Lorises Actually Say About Cat Allergies?

An unusual theory ultimately warrants skepticism under further research is conducted

A cat-eyed snake eats a toad in Panama. Many snakes depend on amphibians and their eggs for nutrition.

Tropical Snakes Suffer as a Fungus Kills the Frogs They Prey On

Surveys of reptiles in central Panama show the ripple effects of an ecological crisis

Two giraffes

Fourteen Fun Facts About Love and Sex in the Animal Kingdom

Out in the wild, flowers and candy just aren’t gonna cut it

At Pablo Escobar's former hacienda, tourists are warned about the dangerous presence of an expanding hippo population.

Pablo Escobar’s Pooping Hippos Are Polluting Colombia’s Lakes

A new study suggests the hulking creatures are changing local water bodies with their bathroom habits

Inspector Clouseau, the world's only known pink manta ray

Rare Pink Manta Ray Spotted Near Australia’s Lady Elliot Island

Researchers suspect a genetic mutation may have gifted the giant fish, named Inspector Clouseau, his rosy hue

Station Squabble by Sam Rowley

See Squabbling Subway Mice and Other Top Wildlife Photos

The Natural History Museum in London has announced the top five honorees in its LUMIX People’s Choice Award competition

The NIH, FDA, and VA have policies encouraging labs that conduct animal research to find adopters for healthy animals at the end of studies.

The F.D.A. Will Now Allow Lab Animals to Be Adopted

F.D.A. joins the National Institutes of Health and the Department of Veteran Affairs in adopting a lab animal retirement policy

Jackass penguin calls don't sound like human words. But the two forms of communications follow the same linguistic laws.

Jackass Penguin Calls Follow Similar Rules to Human Speech

These birds are nicknamed for donkeys, but structure their calls like words

Grey seals will clap their forelimbs together underwater, generating a sharp sound that communicates to others around them.

In a First, Scientists Film Wild Grey Seals Clapping to Show Their Strength

The behavior is believed to scare off competitors while wooing potential mates

The red-breasted nuthatch eavesdrops on chickadee conversations to get advanced notice of predators like pygmy owls.

New Research

Nuthatches Heed Chickadees’ Warning Calls—but They’re Wary of False Alarms

Nuthatches prefer to check the facts before they ‘retweet’ chickadees’ alerts

Researchers in India studied whether 160 stray dogs would react to commands like gesturing toward a bowl. This image, taken in 2012, shows street dogs surrounding an Indian tea vendor in Allahabad.

Stray Dogs May Understand Human Signals, Too

A new study has found that strays in India, when presented with two covered food bowls, were more likely to approach the one an experimenter pointed toward

A wolf puppy named Flea, among 13 pups tested in a new study. Sadly, Flea does not fetch.

Watch Wolf Puppies Play Fetch

New research suggests canines’ love for chasing and returning tossed balls wasn’t purely a product of domestication

Researcher Alexandra Green, recording cows

Cows Communicate With Unique Moos

A new study has found that the animals use distinct vocalizations across a range of emotional contexts

Española tortoises are reared for five years before being released on the Galápagos' Española Island.

Diego, the 100-Year-Old Tortoise Who Fathered 900 Babies, Returns to the Wild

The breeding program brought the Española tortoise population back from the brink

Athena, a two-toed sloth who recently made her debut at the National Zoo.

Will Love Bloom Between Two Sloths at the National Zoo?

Keepers are gradually introducing Athena, who made her debut at the zoo in December, to fellow two-toed sloth Vlad. Sparks have not flown—yet

Researchers now have video evidence that Atlantic puffins can use sticks as tools to scratch their backs.

In a First, Scientists Film a Puffin Scratching Itself With a Stick

Behold the first evidence of tool use in seabirds

On December 24, 2019, the Potter Park Zoo in Michigan welcomed a healthy male black rhino calf.

Baby Black Rhino Born at Michigan Zoo on Christmas Eve

The birth of the yet-to-be-named male calf marks a milestone for conservationists trying to save the critically endangered species

CT scan of a newborn panda cub.

Pandamonium

Panda Bears Have Teeny Tiny Babies, and We Don’t Know Why

Panda moms are 900 times bigger than their cubs and a new study disputes the theory it’s related to hibernation

Trending Today

Invasive Mice Are Gnawing the Scalps of Endangered Albatrosses

The mice already kill an estimated 2 million seabird chicks per year, but they now target breeding adults

Cool Finds

Was This 18,000-Year-Old Puppy Frozen in Siberian Permafrost the Ancestor of Wolves, Dogs or Both?

DNA tests on the well-preserved remains can’t determine whether the little canine was wild or domestic

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