Animals

Mexican free-tailed bats can be real jerks to their friends.

On Summer Nights, Some Bats Like to Jam

Mexican free-tailed bats “jam” each others’ echolocation calls to discombobulate competitors

A gray wolf, not the animal spotted at the Grand Canyon

A Lone Gray Wolf May Have Wandered Into the Grand Canyon

Officials haven’t confirmed whether the canine is a full-blooded gray wolf, but wolf advocates are pretty convinced

Humans Outnumber Rats in NYC

There's actually about one rat for every four people

Moon jellies (Aurelia aurita) drift in dark waters at the Sunshine International Aquarium in Tokyo.

Big Moon Jelly Blooms Tied to New Dock Construction

A floating pier installed off Japan led to a four-fold increase in baby jellies, offering a solid link between structures and blooms

Admire Rakti exercises on November 3rd, getting set for the fatal race.

A Horse Racing Favorite Died Minutes After Completing the Melbourne Cup

Admire Rakti wasn't even the only horse to die at the races

A Siberian musk deer two-month old stands next to his father at the Edinburgh zoo — they are closely related to the species just spotted

Fanged Deer Not Extinct, Still Roaming the Mountains of Afghanistan

The Kashmir musk deer was last spotted in 1948 but now researchers report five recent sightings

A baby penguin and its parent greet the disguised rover.

Rovers Disguised as Baby Penguins Can Quietly Infiltrate Penguin Colonies

Normally wary penguins seem unfazed when there's a smartly dressed robot in their midst

Australia’s Koalas Have Chlamydia, But a New Vaccine Could Save Them

The sexually transmitted disease threatens the health of one of Australia’s iconic marsupials

Introducing Rana kauffeldi, a newly recognized New York City resident.

New Leopard Frog Found in New York City

The unique species, discovered near the Statue of Liberty, is the first amphibian found in the region in 150 years

An Espanola Galapagos giant tortoise under an arboreal prickly pear cactus. The cactus is a vital part of the tortoise's diet, but the surrounding woody plants - a leftover problem caused by goats - prevent the cactuses from regrowing.

Giant Tortoises Have Made a Comeback From 15 to 1,000

Española giant tortoises have been reintroduced to Galapagos National Park and are breeding on their own

We're Terrible at Distinguishing Real And Fake Schools of Fish

You can test your fish school savviness in a free online game created by scientists

A "Sea Devil" as depicted by Conrad Gessner in Historia Animalium, 2nd ed, 1604.

Five “Real” Sea Monsters Brought to Life by Early Naturalists

From kraken to mermaids, some monsters are real—if you know how to look for them

A juvenile reticulated python in Malaysia

A Zoo Python Had Six Babies in a "Virgin Birth"

The 20-foot-long reptile hadn't had a chance to meet a mate, but she still laid 61 eggs

Your Cat Has No Idea What You Want And Is Kind of Scared of You

Cats don't do social skills

Nicole MacCorkle, a giant panda keeper at Smithsonian's National Zoo, says the animals have taught her about parenting.

What Giant Pandas Taught Me About Parenting

When animal keeper Nicole MacCorkle became a parent, she looked to Bao Bao's mother for inspiration

Invaders From Cuba Force Florida Lizards to Quickly Evolve (Or Get Out)

In just 15 years, green anoles changed their behavior and evolved bigger, stickier toes to escape alien competitors

A male great bustard struttin' his stuff.

Male Great Bustards Eat Poison to Look Sexier for the Ladies

The toxic compound can kill mammals - including humans - but helps the birds rid themselves of pests

A chimp steals a glance at a photographer in Uganda's Kibale National Park.

Chimps Caught in First Known Nighttime Crop Raids

“The nightlife of chimpanzees has been neglected,” say researchers who filmed wild animals using a fallen tree as a bridge into protected cornfields

To Find Out How Healthy Whales Are, Send in the Drones

A custom-built drone got close enough to whales to capture individuals' distinctive markings

Prozac Doesn't Make Birds Happy

Birds on Prozac lose their appetite and libido

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