Polar animals are animals that live in the cold environments of the Earth's polar regions (the Arctic and Antarctic) and the surrounding areas. They have adapted to the harsh conditions of extreme low temperatures, long winter nights, and ice and snow. Typical polar animals include polar bears, penguins, seals, Arctic foxes, reindeer, walruses, and Antarctic krill. Polar animals usually have thick fur or fat layers to keep warm, and some animals can also migrate seasonally to adapt to clima