Two adorable newborn polar bear cubs play with their mother while they journey to the frozen sea. One cute cub climbs and hangs off mother's back. Features cubs play-fighting and nursing with mom. Very cute video!

Basic facts about nursing of a wild polar bear.

Female polar bears have four mammary glands. Mothers nurse their cubs in a sitting position, or lying down on their side or back.

During their first few weeks of life, polar bear cubs nurse most of the time and stay close to their mother to keep warm.

For the next three or four months the cubs nurse as often as six times a day. The length and number of nursing bouts gradually decreases as the cubs grow older.


Mother polar bears nurse their cubs for as long as 30 months. Some cubs stop nursing as young as 18 months of age, but remain with their mothers for survival until they are 30 months old.

The average fat content of polar bear milk is 33%, similar to the milkfat of other marine mammals. For comparison, human milk has a 3-5% fat content.

Mother polar bears are extremely protective of their young, even risking their own lives in their cubs' defense.
Source