Polar bears are inbreeding due to melting sea ice, posing risk to survival of the species, scientists say - ABC News
Polar bear - Wikipedia
Unique Polar Bear Population Discovered in Greenland | Nature and Wildlife | Discovery
International Polar Bear Day: Fantastic facts about the amazing animals - BBC Newsround
Surprising Polar Bear Facts About the King of the Arctic
Polar bear | Description, Habitat, & Facts | Britannica
Climate change is forcing polar bears to eat garbage | Live Science
Polar Bears | The Marine Mammal Center
Endangered Creature Future: Polar Bear - Eco Kids Planet
Polar bear: a powerful predator on ice | WWF
Polar Bears Aren't Left Handed (and 9 Other Things You Didn't Know) - Impacting Our Future
Polar Bear | National Wildlife Federation
Calgary Zoo's new polar bears arrive from Winnipeg | CTV News
Ten Facts about Polar Bears | Blog Posts | WWF
How Polar Bears Work | HowStuffWorks
10 facts about polar bears! | National Geographic Kids
Why do polar bears have white fur? And nine other polar bear facts | Stories | WWF
Arctic Icon: 10 Facts about the Polar Bear
10 Fascinating Polar Bear Facts you need to know | toucanBox
Polar Bear | Species | WWF
Polar Bears & the Changing Arctic | Polar Bears International
5 Facts for International Polar Bear Day
Polar bear | Description, Habitat, & Facts | Britannica
A Year in the Life of a Polar Bear | Churchill, Canada
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