At the top of the food chain, polar bears have an important role in the marine environment. Learn how WWF is fighting the biggest threat to polar bears’ survival: loss of sea ice.
Polar Bears The Marine Mammal Center
Polar Bear Species Profile, Alaska Department of Fish and Game
Polar Bears in Canada
Polar Bear Fact Sheet, Blog, Nature
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Climate Change Could Lead to Increase in Polar Bear and Grizzly
The evolutionary history of bears is characterized by gene flow
Since today is International - Peppermint Narwhal Creative
Polar Bears Affected by Climate Change
How species form: What the tangled history of polar bear and brown
Polar Bear National Geographic
Polar bear - Wikipedia
The story of polar bear evolution could not be told without
Polar Bear Species Native Arctic North Stock Photo 768530272
10 Surprising Facts About Polar Bears
