These Arctic giants are the masters of their environment and have no natural enemies.Polar bears are classified as marine mammals because they spend most of their lives on the sea ice of the Arctic Ocean. They have a thick layer of body fat and a water-repellant coat that insulates them from the cold air and water. Considered talented swimmers, they can sustain a pace of six miles per hour by paddling with their front paws and holding their hind legs flat like a rudder. They typically weigh from 800-1300 lbs reaching lengths of 9 ft for males and 6 ft for females. Current estimates range from-20000- 25000 individuals. They have a lifespan of 25- 30 years. Polar bears spend over 50 percent of their time hunting for food, but less than two percent of their hunts are successful. Their diet mainly consists of ringed and bearded seals because they need large amounts of fat to survive.
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