The polar bear does not hibernate, the only exceptions are pregnant female polar bears.
Polar bear cubs remain in place while their mother hunts.
Polar bear fur is greasy and water-repellent, which allows you to swim in and out of cold water in the truest sense of the word.
Polar bears live along the coast and on the sea ice of the icy Arctic.
The polar bear is classified as a marine mammal. Its paws are webbed.
The polar bear has no rivals other than humans and can live up to 25 years.
There is a very large difference in size and weight between males and females. The large male reaches 3 meters in length and weighs up to 800 kilograms, and the females are almost two times smaller and lighter.
Polar bears are strictly carnivores; their main diet is fish and seals.
Polar bears build multi-room dens in the snow, and even with a hood.
Polar bears can swim at a speed of 10 km. per hour and swim up to 150 kilometers.
Polar bears are so well protected from the cold by fat and thick fur that they can overheat even in sub-zero temperatures. To prevent this, polar bears tend to walk slowly and spend many hours resting.
Polar bears mate from March to July, but a fertilized egg does not begin to develop until September.
A newborn bear cub weighs about a kilogram.
Polar bears are very clean. They wash for 15-20 minutes a day, carefully cleaning themselves of dirt and food debris that can affect the insulating properties of the fur.