Wildlife Stewardship Identifying a Grizzly Bear Color varies from blond to black. Average weight is 500 pounds for males and 375 for females. Males may weigh up to 900 pounds. Distinctive shoulder hump is actually muscle mass that enables powerful digging. A dished-in profile between eyes and end of snout helps distinguish grizzlies from black bears.
Ears are round and proportionately small.
Front claws are 2-4 inches long, slightly curved, and good for digging. Claw marks are usually visible in tracks. Behavior Usually more aggressive than black bears. Females will aggressively protect cubs. Mostly active during dusk and dawn, although grizzly bears can be active any time of day.