Polar bears are technically marine mammals, spending much of their year at sea. Their fur actually has no white pigment, their hairs are hollow and reflect light, allowing them to look white
sea ice concentration | polarbearscience
File:Endangered arctic - starving polar bear.jpg - Wikipedia
Polar bear - Wikipedia
Brown Bears And Polar Bears In Siberia Might Soon Start Creating Hybrids Called The 'Brolar Bear' - The Rainforest Site News
Frontiers | The Role of Satellite Telemetry Data in 21st Century Conservation of Polar Bears (Ursus maritimus)
Polar bear: a powerful predator on ice | WWF
To feed or to perish in an iceless world | ConservationBytes.com
Dire Bear - ARK: Survival Evolved Wiki
Arctic ice loss forces polar bears to use four times as much energy to survive – study | Arctic | The Guardian
Polar Bear Questions - Q from Jonas: “How can polar bears survive swimming in ice cold water when humans can't?” A: The answer can be summed up in one wobbly little word:
Polar bear - Wikipedia
Polar bear - Wikipedia
Polar bear - Wikipedia
Designated critical habitat for Alaskan polar bears offers no protection from thick spring ice deaths | polarbearscience
Extinction is forever by Vivian Chang Creative Action Network
Polar bear - Wikipedia
Polar bear - Wikipedia
Polar bear - Wikipedia, the free encyclopedia
Polar Bears Need Love…and a Plan – Mother Jones
Kodiak bear - Wikipedia
Polar bear - Wikipedia, the free encyclopedia
Gallery: new ice-melt threat to polar bears — as hunters close in
Receding ice leaves Canada's polar bears at rising risk | Deccan Herald
Wikipedia | polarbearscience
