Welcome back, little mountain bluebird. Although this bright fellow may be enduring the last of this year"s snow in Yellowstone National Park, his presence means winter will soon be ending. The bluebird is a symbol of happiness and a welcome sign of spring in many cultures. Soon other migratory birds will arrive in the Greater Yellowstone Ecosystem—an 18-million-acre tract that includes Grand Teton National Park and surrounding national forests. It"s the world"s largest intact ecosystem in the northern temperate zone. What exactly does that mean? Since wolves were reintroduced to Yellowstone 25 years ago, all the animal species that were first documented by European explorers can still be found here.
Hello, harbinger of spring
Today in History
More Desktop Wallpapers:
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A traboule in Lyon, France
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Not your average sandcastle
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A delta in the Venetian Lagoon, Italy
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International Kissing Day
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Presidents Day
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Gauchos showcase Argentina’s independent spirit
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Arromanches-les-Bains for the 81st anniversary of D-Day
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International Womens Day
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Languid life on the Lakes
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A Bengal tiger in Ranthambore National Park, India
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Aerial view of the Colorado River Delta in Mexico
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Fat Bear Week
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Swimming into the season
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Mother s Day
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World Bicycle Day
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A ‘circus of chaos’ for Stravinsky
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A visit to Limerick on Limerick Day
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St. Michaels Mount in Marazion, Cornwall, England
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Cheetah mother and cub
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A river runs through it
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Struck by Southwestern beauty
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Mount Fuji Day
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World Lizard Day
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Rays on parade
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A great white egret in Hungary
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Tibetan New Year
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Space Week isnt over yet!
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Ancient art in the Amazon
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Point Reyes National Seashore
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National Moth Week
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