►Polar bears are large. Adult males weigh 750 - 1500 pounds, an average weight is about 900 pounds. Females are much smaller than males and average between 350-500 pounds.
►Polar bears have adapted to their frigid cold range with a thick layer of blubber. It may be up to 4 inches in thickness. This insulation has a downside, however, polar bears overheat quickly when running across land.