Recent discoveries have shown that brightly colored crests and eye-catching patterns adorned many dinosaurs. Meanwhile, our earliest mammalian ancestors survived these flamboyant predators by being as ...

Fur is a defining characteristic of mammals, coming in a wide variety of colors and patterns -- thanks to a world-first study, we now know which genes make a marsupial's coat black or grey. Fur is a ...

Veterinary experts found that a cat's level of aggressiveness towards humans may be determined by its fur color. Tortoiseshell and white felines have long been observed as having anti-social behaviors ...

As their name suggests, many American black bears have black fur—but not all of them do. These mammals actually come in a range of hues, from sandy blonde to rusty copper to bluish-grey. Researchers ...

Migration, hibernation and food storage are all responses to seasonal changes. As the days become shorter and the nights get longer, hormone changes trigger an animal's instinct to prepare for winter.