The brown bear is an organism.
Bears are carnivoran mammals of the family Ursidae . Bears are classified as caniforms , or doglike carnivorans . The brown bear ( Ursus arctos ) is a large bear with the widest distribution of any living ursid . Ursus is a genus in the family Ursidae ( bears ) that includes the widely distributed brown bears , the polar bear , and black bears . The name is derived from the Latin ursus , meaning bear .