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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Ocracoke Lighthouse on Ocracoke Island, North Carolina
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Kings Mountain, Chugach Mountains, Alaska
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Travel Sunday: San Francisco
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World Environment Day
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A willowy welcome to spring
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Sanxiantai Dragon Bridge in Taitung, Taiwan
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International Day of Light
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Castle Square, Old Town, Warsaw, Poland
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International Polar Bear Day
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National Park Week: Everglades National Park
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Kings of the Kalahari
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Happy Independence Day!
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Tide pools in La Jolla, California
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Yungang Grottoes, Shanxi, China
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High above the reef
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Old Town in Prague, Czech Republic
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A day for the dolphins
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Folegandros Island, Cyclades, Greece
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Te Rewa Rewa Bridge near New Plymouth, New Zealand
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Tolkien Reading Day
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Mysterious prairie mounds abound
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Art in the chapel
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Polar Bear Week
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Diwali
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Bearded reedlings in Flevoland
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Pollinator Week
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International Whale Shark Day
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Honoring the rangers on World Ranger Day
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Flowers by the sea
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Harbin International Ice and Snow Sculpture Festival, China
Bing Wallpaper Gallery

