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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The Monastery of Roussanou, Greece
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Fresh water on the Silk Road
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Corn maze in Saylorsburg, Pennsylvania
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Aw shucks, it’s oyster season in Galway
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Handmade gnomes at a Christmas market
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A peak in the clouds
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Scottish Blackface sheep, Aberdeenshire, Scotland
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Red deer stag in Glen Affric, Scottish Highlands
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The Children’s Cultural Festival in Reykjavik begins today
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Grand finish of Le Tour
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A night on the (ghost) town
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When Death Valley blew its top
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Freeze frame
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A glimpse of the Blue Forest
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Composite of photographs from the Apollo 15 mission
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Hoodoos, Sunset Point, Bryce Canyon National Park, Utah
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Christmas Eve
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Crested caracaras
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Atlanta Botanical Garden
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International Day of the Tropics
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Surströmming Day
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Spire Cove in Kenai Fjords National Park, Seward, Alaska
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Santorini through the clouds
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Happy Diwali!
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Macro photograph of a migrant hawker dragonfly
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An endless journey
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Indian Independence Day
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Reflections on Memorial Day
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Park of the Monsters, Bomarzo, Italy
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A treaty for science
Bing Wallpaper Gallery

