Adult males typically weigh between 300 and 700 pounds, while females are about 10% smaller.

The ( Ursus arctos horribilis ) is a powerful subspecies of North American brown bear. Known for its impressive size and the distinctive silver-tipped, or "grizzled," fur that gives it its name, it is a true icon of the wild. While they are often portrayed as fearsome predators, grizzlies are actually highly intelligent, opportunistic omnivores that spend much of their time foraging for berries, nuts, and roots. Key Characteristics and Habitat

Historically they roamed across much of western North America, but today they are primarily found in Alaska, Western Canada, and isolated parts of the northwestern U.S., including Yellowstone National Park . Seasonal Survival: Torpor and Diet