Both black and white rhinoceroses are actually gray. They are different not in color but in lip shape. The black rhino has a pointed upper lip, while its white relative has a squared lip.

Both black and white rhinoceroses are actually gray. They are different not in color but in lip shape. The black rhino has a pointed upper lip, while its white relative has a squared lip.

The distinctive black and white mammal is regarded as an "umbrella species". These are species selected as subjects for conservation, typically because protecting them indirectly helps other ...