White polar bear series 1

The White polar bear is the world's largest land carnivore, also known as white bears, darling.According to the classification of zoology descent, the bear.Male polar bears about 240 ~ 290 cm in length and weight is 450-650 kg in general.While the female polar bear size is smaller than the male, about 220 ~ 270 cm in length and weight is about 300-300 kg.In the moments before the arrival of winter sleep, because fat to a substantial accumulation of nutrients, they can reach more than 650 kg weight.Polar bears in the body, fat accounted for about 25% of the weight.








Polar bear eyesight and hearing with the human, but their sense of smell is very sensitive, 7 times that of a dog;Running the fastest speed can be up to 60 km/h, is 1.5 times of the hundred meters champion of the world.As global temperatures rise, arctic ice began to melt, the polar bear's erstwhile homes have been a certain degree of bad, soon is likely to become extinct in the future, need the protection of human beings.