Credit: Mark Maftei, Wildlife Conservation Society
The polar bear near the scientists' campsite off the Beaufort Sea. Polar bears have become increasingly confined to land as Arctic sea ice melts.
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Mama bear and cubs
Global Warming May Kill Polar Bears, Scientist
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Credit: Robert Rockwell
Polar bear on the Cape Churchill Peninsula of western Hudson Bay.
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Baby polar bear
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World's Cutest Baby Wild Animals
Though they are cuddly creatures when young, polar bear babies grow up to be ferocious predators. They are controversial zoo inhabitants, as many conservationists…Read More »
argue that it's unnatural to breed these violent bears in zoos, rather than in their natural habitat. However, that habitat is swiftly disappearing as the polar bear's home –the arctic ice – is diminishing rapidly due to climate change. Less «
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Knut at the zoo
Credit: Berlin Zoo
Knut at the Berlin Zoo.
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Credit: Berlin Zoo
The Berlin Zoo's beloved polar Bear Knut, whose antics and cute demeanor charmed the world, died unexpectedly over the weekend, on March 19.
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What Big Paws You Have
Credit: Captain Budd Christman, NOAA Corps
A researcher examines the paws of a sedated polar bear in this 1982 photograph taken in Alaska. Polar bears' giant paw pads help them keep traction on ice and snow.
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Credit: Daniel J. Cox/NaturalExposures.com
A polar bear sniffs at the camera
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Credit: Wikimedia commons user Messybeast
Also known as the "grolar" or "prizzly" bear, this is a stuffed polar-grizzly hybrid at the Rothschild Museum in Tring, England
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Polar Bears Forced to Land and Water
Polar bears depend on sea ice for hunting, breeding and denning. The bears wait for seals to pop up through breathing holes in the ice, but since the ice…Read More »
is melting earlier and earlier in the year, polar bears are shifting their habitat to land and water, and may be missing out on hunting opportunities. Less «
Polar bear Knut with his zookeeper Thomas Doerflein (who had died in 2008) on the day of the first public appearance of the little bear in March 2007.
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Jennifer Welsh graduated from the University of California, Santa Cruz's Science Communication graduate program after working at a start up biotech company for three years after getting her Bachelor of Science in Biological Sciences from the University of Notre Dame. She has worked at WiredScience, The Scientist and Discover Magazine before joining the Live Science team.