When temperatures plunge, the American bison couldn"t care less. These burly mammals are ready for snow with their shaggy coats and massive bodies weighing up to 2,000 pounds. Our homepage bison are pictured in Yellowstone National Park in Wyoming, home to one of the largest and oldest herds in the country. Bison have roamed here since prehistoric times.
National Bison Day
Today in History
More Desktop Wallpapers:
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World Migratory Bird Day
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World Penguin Day
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Zion National Park Turns 100
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20 years later
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Provence blooms with lavender at Sénanque Abbey
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A center of antiquity on the Mediterranean
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Horseshoe Bend, Arizona
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A hint of spring
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How green is my valley
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A hit ballet, long after its debut
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Cordouan Lighthouse, France
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National Park Week begins
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Birds of a feather flocking together
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Terraced fields of green
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Fujian Tulou, China
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A bridge that rocks
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Satellite image of sand and seaweed in the Bahamas
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Black bear cub emerging into spring
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Celebrating Panama s independence
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Cecropia leaf and lobster claw petals in Mexico
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Tufa formations in Mono Lake, California
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Happy Birthday, J.R.R. Tolkien!
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Weaverbird nests at Kenya’s Samburu National Reserve
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International Day for Biosphere Reserves
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Common blue butterfly
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Happy Independence Day!
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Torres del Paine National Park in Patagonia, Chile
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National Public Lands Day
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An Alpine fairy-tale castle
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A summertime light show
Bing Wallpaper Gallery

