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.
Hey, don t you guys have somewhere to be?
Today in History
More Desktop Wallpapers:
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Sailing across the ice
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Harvest season begins
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Milford Sound/Piopiotahi rainforest in New Zealand
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A medieval celebration in the Mediterranean
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50 years of Earth Day
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Dancing waters of Dubai
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Joshua Tree National Park
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Tegallalang terrace farms in Ubud, Bali, Indonesia
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Polar Bear Week
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Marine Day in Japan
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Art abounds at the Palais Garnier
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Headed to the High Country
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China s colorful terraced pools
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Isla del Pescado on the Salar de Uyuni in Bolivia
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An avian predator built for the snow
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Mountain goats at Glacier National Park in Montana
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Alpine marmots at Hohe Tauern National Park, Austria
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Arches National Park, Utah
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Bamburgh Castle, Northumberland, England
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World Childrens Day
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World Laughter Day
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Islands that turned the tide
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Ode to the sun
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A medieval Moorish gem
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A new tradition in London
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Giants of the avian world
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Polar bear season in Manitoba
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Poinsettia Day
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A wonder in winter
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Zhangjiajie National Forest Park in Hunan Province, China
Bing Wallpaper Gallery

