Known in North America as caribou, reindeer are built to live in freezing Arctic regions like northern Norway, where this herd was photographed under the transfixing swirl of the aurora borealis, or northern lights. Reindeer have evolved unique features that help them thrive in these harsh environments. Their noses are adapted to warm the air they breathe before it enters their lungs, which helps maintain a steady body temperature even in the coldest of weather. And most of their bodies, including their hooves, are covered with thick, dense fur to keep them well insulated. In fact, they are more likely to overheat then freeze—so when they"re flying through the starry skies tonight, they"ll be feeling snugger than Santa Claus in his red velvet suit.
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Today in History
More Desktop Wallpapers:
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Dancing waters of Dubai
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Golden Bridge, Bà Nà Hills, Da Nang, Vietnam
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International Lighthouse and Lightship Weekend
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First Cliff Walk
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Winter in Old Nuuk
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Penguins can t fly!
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Sydney Harbour, New South Wales, Australia
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Ruins of Inca temples and terraces on Huayna Picchu, Peru
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Bobbing for crab apples
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Cherry blossoms at Tom McCall Waterfront Park, Portland, Oregon
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Midwinter freeze
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Preveli Gorge
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Old Fortress, Corfu, Greece
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Wild and beautiful Alaska
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Bluespotted ribbontail ray
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Palace of Westminster, London, England
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One for the books
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International Polar Bear Day
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Join us in celebrating World Water Day
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Venice s grand regatta
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Here, fishy!
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Vineyards in the Mosel Valley, Rhineland-Palatinate, Germany
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Here there be dragons
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Spire Cove in Kenai Fjords National Park, Seward, Alaska
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An island for the birds
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World Jellyfish Day
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Rays on parade
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Great Backyard Bird Count
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Computer Science Education Week
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Light show at the skatepark
Bing Wallpaper Gallery

