To achieve this, they lie down in the snow or on the ice on their backs and lift their feet up in the air. Yet, during the Arctic summer, the animals have to cool down from time to time. During the winter, the coat with hairs up to 30 cm long keeps the bear cozily warm. In the Arctic, temperatures range from -58 degrees Fahrenheit (-50 degrees Celsius) (winter) to sometimes 68 degrees Fahrenheit (20 degrees Celsius) (summer). Yet, only female polar bears withdraw into caves to give birth to and protect their babies. Many people think that polar bears live in caves. In the water they only reach speeds of 6 mph (10 km/h), but they are able to cover distances of 62 miles (100 km) without pausing. Polar Bears aren't very fast, but strong swimmers. Polar Bear - Photo: Sylvie Bouchard/Shutterstock Behavior Are Polar Bears Good Swimmers? Polar bears can smell seals, even if the are still 20 miles (32 km) away. Senses and Abilities Do Polar Beards Have a Good Sense of Smell? To clean their coat, polar bears simply wallow in the snow. There is a good reason for this: The warmth of the sunlight can directly reach the skin, which is actually black to optimally absorb the heat. Anatomy and Appearance Actually, the Polar Bear Isn't WhiteĪlthough the coat of the polar bear appears to be white, its hairs are actually transparent and hollow inside. Only the brown bear and the Kodiak bear in Alaska reach a similar size. The polar bear is one of the biggest bears in the world. Up to 24.8 mph (40 km/h) (short distances, on land)
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