Their thick fur keeps them warm and the webbing between their toes makes them good swimmers. Grizzly bears dig up most of their food so they have long claws. They also have a distinctive hump between their shoulders. They eat roots, tubers, gophers, marmots and smaller rodents as well as carrion. They occasionally kill a larger animal for food.
Grizzlies tend to live in the edges of forests but feed mostly in mountain meadows.
Black bears are quiet, shy animals that live in a variety of habitats from forests to brush or chaparral. They eat mostly nuts, berries and fruit. They also eat rodents, insects and occasionally kill larger animals for food. The black bear may be black, auburn or cinnamon. Black bears are smaller than grizzlies or polar bears and have more pointed heads.