ENDANGERED SPECIES

Two sturddlefish siblings from the experiment.

Oops! Scientists Accidentally Created a New Hybrid Fish

The bouncing baby hybrid fish have their sturgeon mother’s mouth—and her penchant for meat-eating, too.

Great white sharks used prehistoric nurseries to protect their young.

A Prehistoric Great White Shark Nursery Has Been Discovered in Chile

Baby shark, do-do-do-do-do-do. Had a nursery, do-do-do-do-do. In prehistoric times, do-do-do-do-do.

Have You Seen This Tegu? These 4-Foot-Long Lizards Are Invading Georgia and Eating Everything in Their Path

Georgia needs your help to prevent the Argentine black and white tegu from becoming a devastating invasive species.

10 Fascinating Animal Documentaries You Can Stream Right Now

These animal documentaries will take you on a cinematic journey around the globe, from the depths of the ocean to the skies above.

A curious sloth says hello after members of the Jaguar Rescue Center reunited her with her baby.

5 Ways You Can Help the Jaguar Rescue Center Save Costa Rica’s Wildlife

This Costa Rica animal rescue center houses every kind of animal, from spider monkeys to sea turtles.

Koalas Aren’t Bears, So Why Do People Call Them ‘Koala Bears’?

If you were an 18th-century settler in Australia with no knowledge of marsupials, you just might decide to call a koala a ‘bear,’ right?

'Lost Species' of Tiny, Rabbit-Sized Deer Photographed in Vietnam for the First Time in 30 Years

The silver-backed chevrotain is one of the most unusual animals on Earth, and scientists had feared it was extinct. But new photographs prove that it's alive in the woods of Vietnam.

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