The polar bear, along with the grizzly, is the largest land predator the earth. With a weight of more than 500 kilos and a length of Almost three meters, this bear is twice as tall as a Siberian bear Tiger. In order to be able to withstand the extreme Arctic cold, polar bears are equipped with a thick layer of fat. You also own one Layer of underfur and a layer of transparent guard hairs.You can thus swimming and hunting at very low temperatures. polar bears are very good swimmers and are already 300 kilometers from the coast been seen remotely. When looking for food, polar bears have a high priority Sensitive sense of smell is useful. You can have one and a half kilometers away or under a one meter thick layer of snow smell the buried smell! Hearing and vision are the same as that of comparable to people. Polar bears live solitary lives, but they have... no fixed territories and like to play with each other. The pairing takes place in May, and during its gestation period the Polar bear almost her weight.