From black-and-white vision to ultraviolet detection, discover how animals perceive colors and use them in surprising ways.

Today, the world is a melting pot of dog breeds ... longer choose their canine pets on the basis of what the dogs were bred to do, all of the roughly 450 recognized breeds are, in one way or ...

The wild dog is one of the world’s most endangered mammals. The largest populations remain in southern Africa and the southern part of East Africa (especially Tanzania and northern Mozambique). Wild ...