Bears - family of mammals of group predatory. Differ from other representatives the psoobraznykh in more thickset constitution. Bears are omnivorous, well climb and swim, quickly run, there can stand and pass short distances on hinder legs. Have a short tail, long and dense wool, and also excellent sense of smell. Hunt in the evening or at sunrise. Usually are afraid of the person, but can be dangerous in those places where they have got used to people, especially polar bear and a grizzly bear.