Cameras offer rare glimpse into lives of polar bears as they grapple with less sea ice

Polar bears at risk of starvation, study determines

Twin polar bear cubs play together in Rostock Zoo, Germany

Polar Bear Spy Cams - Make

Can a walrus kill a polar bear? - Quora

Rescuers Race to Save Dozens of Beached Whales

New study shows polar bears facing increased risk of starvation

Polar bear equipped with camera collar reveals details of life in the melting Arctic - CBS News

Here's the best spot on Earth to see polar bears in the wild

The Penguin and The Polar Bear — Streaming Banshees

Cameras offer rare glimpse into lives of polar bears as they grapple with less sea ice

Photo - Mike McIntosh . - Bear With Us Centre for Bears - Rehabilitation, Education, Sanctuary

What Cameras on Polar Bears Show Us: It's Tough Out There - The New York Times

How would leopard seals interact with walruses and polar bears if some were transplanted to the arctic from the Antarctic? Who would hunt who? - Quora