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 difference in lip shape is related to the animals' diets.

[Trivia]The five species are Sumatran rhino, white rhino, black rhino, Javan rhino and greater one-horned rhino.[/Trivia] [Question]Rhinos are primarily found in which two continents?[/Question ...