Grizzly bear walks on rocky riverbank during blue hour, hunts for fish

ursus arctos horribilis brown bear bear alaska ursus grizzly british columbia wildlife bella coola canada ecotourism mammal male omnivore animal riverbank fauna river carnivore salmon wilderness cautious lone wild environment predator solitary walk habitat danger nature ecology arctos fur fish strength blue hour strong claw look horribilis powerful rock behavior behaviour injury autumn bank forest