This brown bear stands upright to get a better look at its surroundings. Brown bears will often stand upright while they are fishing for salmon because of the added height the stance provides. This brown bear stands upright in order to survey the McNeil river for salmon, its current prey.
All types of bears are perfectly capable of standing and even walking on their hind legs, although they will rarely do so for prolonged periods unless they have suffered an injury to their front paws.
A well-fed, adult male grizzly bear can reach almost ten feet tall when standing. This photo is of a smaller female, who nonetheless is taller than most humans.
Stock Image #20080814-141634