We've compiled a list of weird animal behaviors we've amassed from the wild world web!

Red blood is the exception, not the rule. Evolution has painted it green, purple and white in animals that push physiology ...

An artist’s impression depicts Kryoryctes at Dinosaur Cove in Australia. New research supports the hypothesis that Kryoryctes is a common ancestor of both the platypus and echidna. - Peter Schouten ...

The natural world is full of animals that seem to defy logic, blurring the line between reality and imagination. Some look ...

Hallucigenia was such an odd animal that palaeontologists reconstructed it upside-down when they first analysed its fossils - ...

Hadal dive with manned submersible Fendouzhe. This figure is created to depict these remarkable ecosystems, forming a "river" of chemosynthetic communities at the bottom of hadal trench - painting the ...

Quick, imagine an animal tongue. What came into your mind? The flicking forked tongue of a snake? A cow licking a block of ...

Few have explored the ocean’s deepest depths – but those rare few have shared images of the strangest, most mysterious ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The story of two of ...

(CNN) — The story of two of the strangest animals on the planet just got a little stranger, thanks to clues revealed by a lone fossil specimen that scientists now say represents a long-extinct ...