BROWN BEARS are also known as Grizzly bears and are distinguished from other bears by their distinct, muscular shoulder hump, long claws, and round face. These long claws along with their powerful front legs make them natural diggers, a skill which they employ to make hollow nests to hibernate in for 4-6 months every winter. Brown bears' fur can range in color from brown to blond.

 

Grizzly bears and brown bears are the same species (Ursus arctos), but grizzly bears are currently considered to be a separate subspecies (U. a. horribilis). ... Even though grizzlies are considered to be a subspecies of brown bear, the difference between a grizzly bear and a brown bear is fairly arbitrary. National Park & Preserve Alaska NPA 

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POPULATION STATUS LEAST CONCERN: The Brown bear remains widespread across Europe, North America and Asia, is still one of the world's most widely distributed terrestrial mammals.