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.

A video shows a young boy dancing on a portaledge attached to El Capitan’s sheer cliff face. The post turned controversial fast. Here’s why.

Watch trail-cam footage of a large bull elk putting on a show, playing in the mud and bugling like no one was watching.

Surveillance footage shows a wild Siberian tiger in China ramming into a farm gate. The farmer narrowly escapes. Watch here.

A hiker spotted a coyote climbing a tree in pursuit of a bobcat, and the interaction took him completely by surprise. Watch here.

A black bear wandered inside a candy shop in Gatlinburg, Tennessee. Is it funny, or is it sad? Opinions are mixed.

A chunky marine worm with “shimmering, iridescent fringe” washed up on a beach in the U.K. Experts say it’s something called a sea mouse.