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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Snow aglow in central Japan
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Taj Mahal, Agra, Uttar Pradesh, India
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The Alhambra in Granada, Spain
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Quiver trees in Namibia
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J.R.R. Tolkien Day
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New Zealand s loneliest mountain
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Hemakuta Hill, Hampi, India
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A keel-billed toucan in Costa Rica
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Brooklyn Bridge Park in Brooklyn, New York
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1.1 billion opportunities for a better world
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Moai statues on Easter Island, Chile
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The beach at Cala Luna, Sardinia, Italy
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Red fox
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A cliffside harbor in Sardinia
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The mountain of 30,000 sakura
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Happy Mothers Day!
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It s tree-climbing season
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Independence Day of the Bahamas
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A. M. Foster Bridge in Cabot, Vermont
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Mount Pico, Portugal
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Entoloma hochstetteri mushroom at Lake Mahinapua, New Zealand
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To the 155th on the 155th
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The migrating monarchs of Michoacán
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All Rhodes lead to the beach
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Helloooooo, Innsbruck
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Chapel of St. Michel on Lake Serre-Ponçon, Hautes-Alpes, France
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Illuminated Uluru
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Lupine fields, Snæfellsnes, Iceland
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Old Rock Day
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Look before you leap