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.

A new study revealed significant differences in the appearance and behavior of the two one-horned Asiatic rhinoceros species, challenging long-standing classifications and supporting a re ...