A polar bears skin is actually black, The polar bear’s coat has no white pigment; in fact, a polar bear’s skin is black, and its hairs are hollow, Their paws can reach up to 12 inches in diameter, They are the only bears to be considered marine mammals, Pregnant polar bears have been known to fast for almost 8 months, They do not hibernate, but they love to nap for a few days at a time, Their nostrils close when they swim to prevent them from breathing in water, Polar bears can weigh more than 1,300 pounds and can span more than 8 feet 6 inches from nose to tail, making them the largest carnivores to currently walk the earth. |