Don"t be surprised if these caribous take flight! Ever since Clement Clarke Moore assigned reindeer to be Santa"s helpers in his 1823 poem "A Visit from St. Nicholas," caribous—as they are called in North America—have eagerly contributed to the Christmas celebration. It"s no wonder that Father Christmas would pick them. Thanks to their resilient and adaptable features, like their two layers of dense fur or eyes adapted to a wide range of light wavelengths, these mammals are accustomed to diverse environments. You likely won"t see them fly, but you might find a herd migrating from tundra to forest in the North Polar Region, North America, Northern Europe and Siberia. Their hooves can expand or shrink in size depending on the season and the quality of the ground, which keeps their heavy frame, crowned with antlers, standing on stable feet. If you"re celebrating Christmas today, we wish you a merry one.
Christmas Day
Today in History
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Bryce Canyon hoodoos in winter
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Avalanche Lake Trail at Adirondack High Peaks, New York, United States
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Maasai giraffes in Amboseli National Park, Kenya
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International Polar Bear Day
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Prayer flags in Phobjikha Valley, Bhutan
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Nature at its colourful best
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International Whale Shark Day
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Looking sharp
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This bird is peak beak
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Sequoias of the sea
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Tasmans Arch, Tasman National Park, Tasmania, Australia
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Rainbow reflection
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Home of the worst-smelling food?
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Starling murmuration over the ruins of Brightons West Pier, England
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World Turtle Day
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Hungarian Parliament Building, Budapest, Hungary
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Brit Awards
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81st anniversary of D-Day
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Hogmanay
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Sydney Harbour, New South Wales, Australia
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International Sloth Day
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A bevy of buzzers
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Vancouver Coastal Sea wolves in the Great Bear Rainforest, Canada
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Andean cocks-of-the-rock, Ecuador
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Ad-Deir, Petra, Jordan
Bing Wallpaper Gallery

