Polar bears are insulated from the arctic chill by two layers of fur:
32+ Anatomy Of Polar Bear. A polar bear's best resource in keeping warm on the tundra is their luxurious fur coat. Polar bears have the same body temperature as humans.
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6 polar bears diet polar bears eat fish walruses and seals. Polar bears and brown bears are capable of interbreeding in zoos and the young are fertile. While the polar bear does have very sharp claws, they are shorter and stockier than those of other species of bears.
Their adaptations to their environment in the cold arctic and their survival instincts have always fascinated researchers.
They have thick white fur. Except for one subspecies of grizzly bear, the polar bear is the largest and most powerful carnivore on land. The polar bear's scientific name means maritime bear. polar bears are born on land, but they spend most of their lives on ice or open water in the arctic. But climate change is making it harder for polar bears to hunt.
