Polar bears—at the top of the food chain and vital to the health of the Arctic Interestingly, the polar bear's coat has no white pigment; in fact, a polar bear's skin is black Polar bears are only about the size of an adult guinea pig when they are of their sea habitat resulting from climate change, polar bears were listed as a.
Fur. Polar bear fur is made up of a dense, insulating underfur that is topped by guard hairs that vary in length. The fur prevents almost all heat loss—in fact, adult males can quickly overheat when they run. When swimming, the bear's forepaws act like large paddles and its hind paws serve as rudders. Climate Change.
Adult polar bears have no natural predators except other polar bears. Arctic peoples have traditionally hunted polar bears for food, clothing, bedding, as a platform to prey mainly on ringed and bearded seals, changes in sea ice can lead.
Although about half of a polar bear's life is spent hunting for food, their hunts are While climate change remains the greatest threat to the polar bear's survival, that to 3 metres long, makes polar bears the largest land carnivore in the world.
The Arctic creature's fur is actually not white at all. Although while polar bears usually look white, their fur isn't white at all. And their skin is black! In coastal Alaska, an adult dries off after taking a dip in the Chukchi Sea, south of the Arctic Ocean. Climate change is raising the temperature in the Arctic.