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.

Sudan, a northern white rhino and the last male of his subspecies ... Take one species out and everything starts to crumble.” The western black rhino was declared extinct seven years ago ...