Polar bear
The polar bear’s habitat is the Arctic.

The polar bear’s habitat is the Arctic. In winter, the temperature there can drop to -50° Celsius. Although its fur coat appears white, its hair is transparent and hollow on the inside. The air inside these hairs is warmed by the sun, so that polar bears do not freeze even at icy temperatures.

Fun fact
Under their fur, polar bears have black skin. It stores the heat from the sun.