Polar bears are closely tied to their frozen Arctic realms, roaming vast icy landscapes and sometimes covering hundreds of kilometres in search of food. The world"s largest land carnivores are perfectly adapted to life on sea ice, with large paws that can span more than 30 centimetres and help them swim for kilometres.
Polar bear cub, Arctic National Wildlife Refuge, Alaska, United States
Today in History
More Desktop Wallpapers:
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Christmas lights at Mousehole harbour, Cornwall, England
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Magellanic penguins
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Venice Skatepark, Los Angeles, California, USA
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Muir Woods National Monument, California, United States
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Rainbow houses, Netherlands
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Galápagos penguins swimming, Galápagos Islands, Ecuador
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White trilliums in Ontario, Canada
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Road to Hana, Maui, Hawaii, USA
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Gulf Islands National Seashore, Florida, USA
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Horsetail Fall, Yosemite National Park, California, USA
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Lesser flamingos, Lake Magadi, Kenya
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Wildflower bloom, Central Valley, California, United States
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Guild houses of Grand-Place, Brussels, Belgium
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Flysch in Zumaia, Basque Country, Spain
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Jasper National Park in Alberta, Canada
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Green sea turtle, New Caledonia
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Greater flamingos
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Young black caiman
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Harbour seals
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An ultralight aircraft flying over the sands of Namibia
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Manarola, Cinque Terre National Park, Liguria, Italy
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Danum Valley, Sabah, Borneo, Malaysia
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Luna moth
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Pumpkins and squashes
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North American beaver, Moran, Wyoming, United States
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Sunrise at a vineyard in Bordeaux, France
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Bwindi Impenetrable Forest, Uganda
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Red Rocks, Sedona, Arizona, United States
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Mute swan with chicks in Hesse, Germany
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Burchells zebras
Bing Wallpaper Gallery

