Like dogs, bears hear high pitches. Their hearing is excellent , though less relied upon than their sense of smell. Standing up on its hind legs allows a bear to get more information from its senses of smell, sight, and hearing. It is a sign of curiosity, not aggression. Size, body weight and color vary from habitat to habitat.
Bears are omnivores .
Toward fall, roots and moths clustering in rocky, high-elevation areas are added. Hibernation Bears hibernate because of a decreased food supply, no an inability to stay warm. Dens are used during winter hibernation . Bears sleep outside in day beds from spring through fall. May. Males emerge from their dens first each season and females with cubs emerge last.