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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Things are looking up
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A hero for the 21st century
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Celebrating Pi Day
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Celebrating World Olive Tree Day
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A leafy seadragon in the waters off Wool Bay, Australia
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Rooftops in the walled city of Urbino, Italy
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Blue Lagoon spa, Grindavík, Iceland
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European Day of Parks
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Traditional red fishermens cabins, Reine, Norway
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World Childrens Day
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In the Highlands for Saint Andrew s Day
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Visiting Ahch-To on Star Wars Day
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Happy World Laughter Day
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Grand Canyon National Park anniversary
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Take the Stairs Day
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Flocking together in the Antarctic
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Maple and bamboo forests in Arashiyama, Kyoto, Japan
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Preservation Hall in New Orleans, Louisiana
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A cutting-edge art gallery opens in Paris
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Flower of Life symbol drawn in snow
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Ancient til trees in Fanal Forest, Madeira, Portugal
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Surströmming Day
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Blue hour in Trondheim, Norway
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World Space Week
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Carl Sagan Day
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Have a ‘beary’ good Earth Day
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International Archaeology Day
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Native American Heritage Month
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Have you turned off your electronic device?
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It s not always sunny in Abu Simbel…
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