A photographer's iconic shots of polar bears in abandoned buildings on a Russian island shines a spotlight on wider changes ...

B ears are a type of mammal that can be found in many parts of the world. From the tiny, silly-looking sun bear to the iconic ...

or live fat, or both," said Kristin Laidre, a University of Washington marine mammal scientist who specializes in Arctic species. The polar bear — the symbol of both climate change and an area ...

Neither albino nor polar bear, the spirit bear (also known ... This bear's bigger and more confident than the Gribbell Island bear. Fat rolls down its belly. It appears to be wearing a coat ...

Polar bear cubs are incredibly cute — and amazingly elusive ... The cubs grow to about 20 times their birthweight by spring, due to high fat content in their mother’s milk. They leave their dens ...

One of the great marvels of nature is how bears, the largest carnivore in North America, are able to hibernate all winter, ...

While the bears enjoy soaking up the sun, warmer weather triggers several physiological changes. Baxendell explained polar ...

The great white polar bear is the youngest and largest of the world's bear species — a mighty hunter and fierce defender of its young that's among the world's most vulnerable animals. Two-thirds of ...

Their thick white coat and a layer of fat keep them warm and camouflaged in their harsh ... Emmanuel Rondeau / WWF-UK "I will never forget my 'first' polar bear. Today, it still drives me to do all we ...

A polar bear! Its thick fur helps it to hide and keep ... A seal sitting on the ice! They have lots of fat under their skin that keeps them warm. A penguin off to look for food.