Animals

The cheetah population almost halved since 1975 with only an estimated 7,100 left in the wild today.

How to Help Cheetahs Live Longer in Captivity

The key is in what we feed them, researchers surmise

The preserved whale heart weighs approximately 400 pounds.

The Painstaking Process of Preserving a 400-Pound Blue Whale Heart

This massive specimen is now on display in Canada’s Royal Ontario Museum

Moonlight's cub was born on June 17.

Meet the Zoo’s Newborn Red Panda Cubs, Who Just Opened Their Eyes

The three cubs were born within days of each other at the Smithsonian Conservation Biology Institute

A captive wolf greets a stranger in an experiment testing the sociability of dogs and their ancestors

What Makes Fido So Friendly? It Could Be Genetic

Mutations in several genes linked to hypersocial behavior in people may have helped along canine domestication

One wave of domestication or two? The debate rages on.

New Study Has a Bone to Pick With Dog Domestication Findings

Contrary to past research, a new DNA study suggests fido was only tamed once

A red fox listening for prey under the snow in Yellowstone National Park. Noise can affect foxes and other animals that rely on their hearing when they hunt.

How Human Noise Ruins Parks for Animals and People

Even in America’s most pristine wildernesses, unwanted sound is changing landscapes

What Is the Key to Predict Animal Speed?

The biggest animals aren't always the fastest

As the American Buffalo Declined, Its Symbolism Rose

Over the years, the American buffalo, or bison, has been a symbol of the American frontier

Lioness Spotted Nursing a Leopard Cub in Tanzania

It is the first time that a wild cat has been observed "adopting" another species—but the interaction may not have a happy end

Watch the Sri Lankan Navy Rescue an Elephant Stranded at Sea

It took 12 hours for a team of navy personnel, divers and wildlife officials to pull the creature back to shore

Adorable New Tiger Cub Born at the Zoo Yips at Its Mom on Video

The new Sumatran tiger cub signals a success in efforts to save the critically endangered species

The pale tiger found in Tamil Nadu

Stunning Images Capture Rare Pale Tiger in India

An unusual genetic combination likely led to the creature's exceptionally light coloration

Like Humans, Chimps Learn Behavior From One Another

Chimps have a range of personalities and the facial expressions to reflect them

A horseshoe crab.

Forget Dinos: Horseshoe Crabs Are Stranger, More Ancient—And Still Alive Today

But now evolution’s ultimate survivors may be in danger

Every species lights up the night in its own unique sequence of patterns, colors and flashes.

Illuminating the Secret Language of Lightning Bugs

For these light-up lovers, each flash in the night could mean sex or death

Thank the boy wizard for an uptick in owl demand.

Harry Potter Sparks Illegal Owl Trade in Indonesia

Hedwig made quite the impression—but her popularity is hurting real-life birds

Global Fishing Fleets Waste Ten Percent of Catch

Every year, fisheries waste ten million tons of fish—enough to fill 4,500 Olympic-sized swimming pools

Who are you calling fat?

One in Three American Pets Is Pudgy

Is your kitty curvaceous? It's not the only one

How Do Sea Lions Swim, Glide and Sometimes Even Nab Humans?

These living torpedoes pull themselves through the water using their front flippers, unlike other ocean creatures

Animals like prairie dogs can play host to plague-infected fleas.

Plague Infects Three People in New Mexico

The deadly disease can be spread by household pets

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