Canada's Hudson Bay polar bear population plummets as climate change warms Arctic | Reuters
Surprising Polar Bear Facts About the King of the Arctic
Saint Louis Zoo | Polar Bear
Facts About Polar Bears | Polar Bear Diet | DK Find Out
Polar bears are inbreeding due to melting sea ice, posing risk to survival of the species, scientists say - ABC News
How Polar Bears Work | HowStuffWorks
15 polar bears to get you through the (not quite) polar vortex
Polar bear - Wikipedia
Polar Bear' Review: On Thin Ice - The New York Times
Video of Starving Polar Bear 'Rips Your Heart Out of Your Chest' - The New York Times
Does a Viral Video Show a Polar Bear Starving to Death? | Snopes.com
Polar Bear photos, facts, and map
Busy Times at the World's Largest Polar Bear Prison - The Atlantic
I Survived a Polar Bear Attack - Outside Online
Polar bear watching in Canada | Audley Travel
Low mid-winter polar bear habitat in Barents Sea spawns warnings of more human-bear conflicts | polarbearscience
Here's how polar bears might get traction on snow
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Five Revolutionary Technologies Helping Scientists Study Polar Bears | Science| Smithsonian Magazine
Polar Bear | Species | WWF
The Best Of Polar Bears | BBC Earth - YouTube
What Are the Top Threats Polar Bears Face?
Meet 'Knut,' the world's most famous polar bear
