Research confirms a mountain lion that struggled to stand and walk had the fatal staggering disease. It’s the first case in North America.

A bear tried to steal a man’s backyard bird feeder in Maine this week. The resulting video footage is quite funny.

A river guide came across something she didn’t expect to see in the Yellowstone River earlier this week—a headless, pawless grizzly bear.

Kansas biologists were searching for a rare, tiny snake called the New Mexico threadsnake when they found one in a surprising place.

Cross river gorillas are extremely rare, with only about 300 of them left in the wild. Check out this exciting new trail-cam footage.

A pair of grizzly bears love their clawfoot tub, and they lounge in it every chance they get. Watch the hilarious footage here.

No one’s ever seen a boat strike a basking shark from the shark’s point of view, until now. Watch footage from a camera mounted on the shark.

A trio of field biologists heard some eerie vocalizations. Turns out, it was a mountain lion. Hear what sound a mountain lion makes here.

A large baleen whale capsized a 23-foot-long fishing boat with two men onboard, and the video is going viral. See it here.

The spicebush swallowtail caterpillar is, well, it’s sure something. But just wait, it gets even better/weirder.