About the polar bear when I was assigned to write a report on polar bears, I immediately presented Umku and his mother from a favorite cartoon. In fact, these animals are very interesting and unusual. Polar bear - this is one of the largest predators in the world. Its weight is 300 to 800 kg, and the length can be up to three meters. Bright and sometimes yellowish fur stores body fat and well protected from the cold, so the animals do not freeze either on land or under water. It is interesting that a bear skin coat in black, like a nose. Their feet have an unusual oblong shape that allows them not to fall under the snow and cover the distance of 30 kilometers. Through the partitions between the toes animals swim well and hunt underwater.  The inhabitants of the Arctic, they stick to the coast and the ice floes, feed on fish, seals, walruses and sometimes calves. Bears can be a long time without food, but when food is found, eat up to 10 kilograms of meat at one time. In the summer can eat plants. Predators very agile despite its enormous weight and thick skin. Carefully track down their prey and stuns her paw. Basically, the single animal, but spring defined in pairs to create offspring. Small families, they learn new territory, but do not stay on it long. The female polar bear cubs while carrying almost come out of hiding and lose weight 2 times. After the birth of babies (usually one or two), bear a few months spent with them in a specially dug a den, because they have not adapted to the cold. Newborn cubs walk everywhere for her mother - they are very much attached to her. She teaches them to hunt and survive in difficult conditions. Unlike brown bears, their northern brothers did not go into a long hibernation, they sleep for long, and not every year, mostly females. Bears have a very well developed sense of smell and sight. They can see for kilometers and to sense their prey. The average life expectancy in the wild - about 30 years in captivity - less.
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