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  1. Polar Bears: Masters Of The Snow | Snow Animals | BBC Earth

  2. Polar bear - Wikipedia

  3. Behavior - Polar Bears International

  4. Polar bear | Description, Habitat, & Facts | Britannica

  5. Polar Bear - National Geographic

  6. Adaptations & Characteristics - Polar Bears International

  7. Top 10 facts about polar bears - WWF

  8. Polar Bears: Species Facts, Info & More | WWF.CA

  9. Here’s how polar bears might get traction on snow - Science News

  10. Polar Bears - U.S. National Park Service

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