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
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Gauchos showcase Argentina’s independent spirit
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International Sloth Day
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Mitsumata blossoms
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National Roller Coaster Day
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Flocking together in the Antarctic
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Taughannock Falls State Park
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World Rainforest Day
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The lights of Paris
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A wild and scenic scene
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Explorer of the sea
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Stepping stones in Tollymore Forest Park, Northern Ireland
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Saffron in bloom
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National Hummingbird Day
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Bridge of Sighs in Venice, Italy
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Azaleas blooming on Hwangmaesan Mountain, South Korea
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A gentle wind fills this sail
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El Valle de la Luna, Chile
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Happy 800th, Salisbury Cathedral
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Aerial view of the Colorado River Delta in Mexico
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Duck, duck. duck, duck, duck...
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At ease, it’s Armed Forces Day
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In the Navajo Nation for Code Talkers Day
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Saint Andrews Day
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What s better than a smile?
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Tigh Mor Trossachs on Loch Achray, Scotland
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What, no escalator?
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How Quảng Ngãi got its grove back
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The confluence of the Arve and Rhône Rivers
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Golden Gate Bridge, San Francisco
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It s superb owl Sunday