Polar Bear, Svalbard, Norway

Polar Bear, Svalbard, Norway

 1. Female Polar bears would rather build their dens in "old snow" from previous years rather than the freshly fallen snow.

2. Polar bear cubs learn to freeze and remain still while their mother hunts. If they move, the mother disciplines them, with a whack to the head.

3. Humans are polar bears only predator.

4. Some female polar bears deviate from the one-room den. They build dens with multiple rooms and even a ventilation system in the roof.

5. Female polar bears do not start having cubs until they are about 4 or 5 years old.