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
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Uredd Rest Area, Norway
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World Space Week
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Extraterrestrial Culture Day
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Tom Turkey takes Manhattan
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Quiver trees in Namibia
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Happy Pi Day!
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Penguin Awareness Day
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It s Tolkien Reading Day
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Nuwara Eliya, Sri Lanka
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National Love a Tree Day
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Smithsonian Secretary Lonnie Bunch on the institution s 175th anniversary
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Sydney Harbour Bridge in Sydney, Australia
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Devetashka Cave, Devetaki, Bulgaria
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Stop and see the flowers
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Glendurgan Garden hedge maze is 186 years old
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Did they forget to fly south?
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Negratín Reservoir, Granada, Spain
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Capitol Reef National Park, Utah
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Roman theater of Cartagena, Spain
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Let’s go mothing
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Mercury in retrograde
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Summer solstice
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Celebrate Mandela Day
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The Vestibule at Diocletian s Palace, Split, Croatia
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An Alpine fairy-tale castle
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Global commerce in motion
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Presidents Day in America’s front yard
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Take the stairs
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Ukrainian Independence Day
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Lake Bled, Slovenia