Polar bears and all other bear species don’t truly hibernate. They enter a state of physical inactivity called “torpor,” where their heart rate, respiratory rate, and metabolism drop but not ...

Polar bears are found only in icy parts of the Arctic, and pandas live only in wet and cool bamboo forests in China. Many bears in the Northern Hemisphere hibernate when the weather is cold and ...

Wintertime also provides plenty of hunting opportunities for polar bears, so they don't hibernate, either. However, pregnant polar bears do dig dens to prepare for the birth of their cubs.