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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Feeling chic on Fashion Week
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Even nature needs a backup plan…
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Summertime in Alaska
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National Park Service Founders Day
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Bormio, Lombardy, Italy
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Tolkien Reading Day
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World Migratory Bird Day
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Veterans Day
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Kelp buddies
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Aerial view of Venice, Italy
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In the footsteps of Leopold Bloom
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Yosemite National Park turns 132
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Visiting Ahch-To on Star Wars Day
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Great white egret, Upper Bavaria, Germany
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We have liftoff!
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Quebec City for Winter Carnival
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The Girl Scouts celebrate 110 years
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Mendenhall Glacier, Alaska
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Marseille welcomes the Olympic torch
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The snows of Fuji
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The Tour de France begins
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Birds of a feather
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International Day of Forests
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Mam Tor, Derbyshire, England
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What a twist
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Bournemouth beach huts
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Village of Santa Maddalena, Dolomites, Italy
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Arctic fox in Norway
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Pearl Harbor Remembrance Day
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Falling for the Canadian Rockies
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