Although they sleep in dens (caves, hollow logs, or holes they dig) during the winter, they are not true hibernators and can be easily awakened.

Anatomy: Brown bears are up to 7 feet (2.1 m) long and weigh up to 1,500 pounds (680 kg). Their thick fur ranges in color from black to brown to reddish brown to blond. Newborns weigh only about 1 pound (0.45 kg), the size of a rat.

Diet: Brown bears are omnivores who eat plants, roots, berries, fungi, fish, small mammals, and large insects.