Female brown bear chewing a branch

brown bear alaska wildlife sitka ursus arctos grizzly ursus arctos horribilis kodiak bear north american brown bear ursidae ursus carnivora grizzly claws brown habitat local extinction nature wild animal predator wilderness endangered environment protected strength power walking outdoors active adventure summer closeup strong sanctuary ursus americanus eating curious glacier national park american black bear travel hibernation female male juneau ketchikan skagway anchorage forest branch