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. Black rhinos are browsers that get most of their ...

In the process, the black-footed ferret was nearly wiped out. In 1987, 18 animals were captured in the wild to begin a captive breeding program, which has since reintroduced ferrets into promising ...

The Green Group has been studied by scientists for 15 years and is currently made up of approximately 80 individuals. The first way to tell the difference between macaques is their size. This is a ...