A video showing a cougar with blood-matted fur snarling at a glass door has gone viral. The animal stalked the family after killing their cat.

A photographer went a bit giddy went he came across a rare Florida panther in the wild. His reaction video is making waves online.

A man filmed a very intense encounter with a moose, and the video is going viral. Can you guess how this ends?

A brown bear used an official Denali National Park and Preserve sign as its personal scratching post. Watch it here.

There are only a handful of “black tigers” (pseudo-melanistic tigers) in the world, every once in a while, a trail camera films them.

Scientists gathered extremely rare footage of a bizarre and elusive deep-sea animal, the bigfin squid. Watch it here.

An interesting video shows an encounter between a tiger and a cobra in India. Can you guess how this one ends?

Pesto the King penguin chick is, frankly, humongous, and he’s famous for it. Learn more about this adorably plump penguin here.

A trail camera in the Appalachian Mountains appears to capture a two-legged black bear managing to survive in the wild. Watch it here.

A video from an organization that studies orca acoustics and movements using hydrophones and cameras is both eerie and beautiful.