An analysis of two theropod dinosaur fossils has shown that they had a type of carpal bone (pisiform) in their wrists—a bone considered important to flight in birds.

A cat's tail is remarkably flexible, thanks to its unique anatomy. It consists of 18 to 23 small bones, known as caudal ...

Lizards possess a unique survival trick. They can detach their tails to escape predators. This process is called autotomy.