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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Field of Light at Sensorio by Bruce Munro
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Spring equinox
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World Hello Day
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Telašćica Nature Park, Dugi Otok, Croatia
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Monteverde Cloud Forest Reserve in Costa Rica
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It’s not a pinecone, it’s a pangolin
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The beach at Cala Luna, Sardinia, Italy
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National Park Week: Wind Cave National Park
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Swinging into International Jazz Day
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St. Patricks Day
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Grizzly bears in Alaska for National Wildlife Day
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Bear Hole Brook, Catskill Mountains, New York
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Arenal Volcano, Costa Rica
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Wychwood Forest, Oxfordshire, England
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Hot and Spicy Food Day
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Champaka Sarasi, Shivamogga, Karnataka, India
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The Great Glen
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Let s get lost
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Glacial spires in the fog
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Adorably evolutionary sea sheep
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Chinese New Year
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World Theater Day
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Boxing Day in East Yorkshire, England
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World Jellyfish Day
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Kings of the Kalahari
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International Mountain Day
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Freeze frame
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Speed skaters in the Gangneung Oval, Pyeongchang, South Korea
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Nature Photography Day
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Impala in Moremi Game Reserve, Botswana
Bing Wallpaper Gallery

