Tourists had a wild encounter at Yellowstone when a bison pranced around and “threw a bison tantrum” right in front of them. Watch it here.

A family in Western Australia had a “mind-blowing experience” when they saw an emperor penguin a long way from its home in Antarctica.

A team at Polar Bears International came across two wild polar bears snuggling up with each other on the Arctic tundra. Watch the video here.

Apparently, there are some surprisingly good reasons a bird like this hornbill might let ants swarm all over its body.

A photographer spotted a brown bear in Alaska, then he noticed something unsavory coming out of the bear’s backside: a tapeworm.

Christian Arehart landed a quadruple backflip on his mountain bike—a world first. Watch him send it and learn more about his incredible feat.

If you’ve never heard a Patagonian mara, you must listen to the truly baffling sound these unique animals make.

Who would you put your money on in an elk vs. truck showdown? A bull elk feeling plucky went for a moving vehicle in Colorado. Watch here.

When faced with a large black bear in Whistler, a man walked right up to it, got in its face and yelled “rawr!” Watch the viral video here.

Deep-sea footage of a bristled deep-sea worm scuttling about on the seafloor had the comment section going wild. See it here.