Polar bears often live significantly longer in captivity, where they can live to 30 years or more, than in the wild, where they average between 15 and 18 years of life. A captive polar bear in Canada named Debbie lived to be 42 years old.
Polar bears, the world's largest land carnivores, live exclusively in the Arctic. As proficient swimmers, polar bears can swim for miles, traveling between ice sheets in search of seals and other prey. Although the white fur of the polar bear provides camouflage in its native habitat, the polar bear's black skin assists in absorbing sunlight. Female polar bears give usually give birth to twins.