A polar bear ... bears enjoy forested areas with rivers and rocky climates. Besides their obvious size differences, polar bears and Kodiak bears have different physical appearances in other ...

Louise Archer (photo by Handcraft Creative) To fill this gap, Archer and colleagues compared ... with pregnant polar bears sealing themselves inside dens dug out under the snow. Polar bear cubs are ...

Why did the brown bear evolve into the polar bear? Animation describing how brown bears adapted to life in the Arctic. Sam, a young tortoise, is hungry. Grandad Charlie tells him a story about how ...