Gizzly Bear Polar Bear Black Bear Ursus Americanus Physical Characteristics Black, brown, blond, or cinnamon in color. Black with a light brown snout is the most common coloration in Yellowstone National Park. Average weight is Yellowstone is 100-300 pounds, with males usually larger than females. Height is 2.5-3 feet at the shoulder when standing on all fours and and 5 feet when standing upright. Rump is higher than front shoulders.
Ears are long and prominent.
Behavior Usually less agressive than grizzlies. Black bears often make dens under roots of trees at low to middle elevations. Active mainly from dawn to dusk, but may be active any time of day or night. Primarily forest creatures , black bears rarely travel far from the shelter of trees. Balck bears frequent areas of mixed woodland and small meadows in the sub-apline zone.