Why Animals Get Gray Hair, Too. Move over, ... while lionesses can be more attracted to lions with dark manes, which also have higher testosterone. ...

At first glance, eastern quolls seem like ordinary marsupials. Native to Tasmania, Australia, they’re the size of house cats ...

The wolf has a two-layered coat, which is generally gray, but can vary in color from white to black. The highly social animal lives in a pack of around five to nine members, led by an alpha pair ...

Gray has a reputation as a boring and drab color, but on the right dog, it can be exciting, fast, and cool. It can even look quite beautiful as it sparkles and shimmers in the sunlight. While many ...

Great white sharks may change their color to sneak up on prey. First-of-their-kind experiments suggest the world’s largest predatory fish can switch between dark and light gray in a matter of hours.