Each fall a quarter-million caribou come together to form the Western Arctic Caribou Herd, a group that makes an epic migration through northwest Alaska. The caribou move south from their calving grounds in the Utukok River Uplands to their winter range on the Seward Peninsula. Fall is also the time when scientists attach radio collars to members of the herd, to track their location and health, and to gain information that will help conserve the species. When spring arrives, the caribou will complete the trip again in reverse, covering a total of 2,000 miles each year, give or take.
Caribou on the move
Today in History
More Desktop Wallpapers:
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Star Wars Day
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Abraham Lake, Alberta, Canada
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Humming along
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National Museum of African American History and Culture
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Celebrating Panama s independence
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Keep your hands inside the ride at all times…
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A growing business
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Happy Independence Day!
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Best fronds forever
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National Poinsettia Day
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World Environment Day
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Virgin Islands National Park established
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Walking among the giants
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Why does this panda cub look so happy?
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Amber Fort, Jaipur, Rajasthan, India
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Giving Tuesday
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Total solar eclipse
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Ocracoke Lighthouse on Ocracoke Island, North Carolina
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Nature Photography Day
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The mighty, mighty mushroom
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Design for Each and All
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Reflections on Memorial Day
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Aurora borealis
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Children at play for International Day of Friendship
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Combating extinction with citizen science
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The Crown of the Continent
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Cape Town at dusk
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Dressed for winter fun
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It s Tolkien Reading Day
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A personal collection becomes an institution
Bing Wallpaper Gallery


