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
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Porthcawl lighthouse, Wales
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Millau Viaduct, France
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Big Bend National Park, Texas, USA
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Wallabies at sunrise, Australia
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Oberbaum Bridge, Berlin, Germany
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Lake Fyans, Grampians National Park, Victoria, Australia
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Monarch butterflies
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Sperm whale
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Marsala salt pans, Italy
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Ancient town of Sorano, Tuscany, Italy
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Florida burrowing owlet, Cape Coral, Florida, United States
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Borobudur temple, Java, Indonesia
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Constitución railway station, Buenos Aires, Argentina
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Mannheim Water Tower, Germany
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Salzburg, Austria
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Saguaro cacti in the Sonoran Desert, Arizona, USA
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International Space Station
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A young bull moose
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