The prothonotary warbler can be found in the eastern United States. Flickr user John Jackson/Flickr Creative Commons hide caption

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Nestpionage! And Other Feathered Curiosities From History

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Parakeets are among Colombia's 1,900 bird species. Alexander Schimmeck /Flickr hide caption

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As Colombia Grows Safer, Tourists — Especially Bird Lovers — Flock Back

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The Tithe Barn at Avebury, owned by the U.K.'s National Trust, is home to a museum dedicated to the Avebury Henge. It's also now, unhappily, home to a very damaged thatched roof. The National Trust hide caption

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For 15 years, biologists in single-person, ultralight aircraft would each lead an experimental flock of young whooping cranes from Wisconsin to a winter home in Florida. But not anymore. Dave Umberger/AP hide caption

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To Make A Wild Comeback, Cranes Need More Than Flying Lessons

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Starlings migrating in huge numbers come to roost this time of year in Rome. In the past, the city used special speakers that emit sounds of predators and starling distress calls to make the birds fly elsewhere. This year, falcons have been enlisted to drive the starlings out — without success. Gabriel Bouys/AFP/Getty Images hide caption

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Dodging Droppings, Romans Cope With Massive Influx Of Starlings

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The view at daybreak in Bosque del Apache, N.M. John Fowler/Flickr hide caption

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What Does Daybreak Sound Like Where You Live?

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Squirrels closely mimic bird warning calls and help spread the alarm through the forest that hawks, owls or other predators are nearby. iStockphoto hide caption

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Squirrels Mimic Bird Alarms To Foil The Enemy

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California condors have enormous wingspans. That's fine in the wilderness, but when a bird of this size encounters a power line, the results can be fatal. The San Diego Zoo Safari Park has a program to help train birds to avoid the hazard. Jon Myatt/U.S. Fish and Wildlife Service/Flickr hide caption

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Small Shocks Help Enormous Birds Learn To Avoid Power Lines

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By law, all wild swans in Great Britain belong to Queen Elizabeth. Alpha/Landov hide caption

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In Britain, Who's Tormenting The Queen's Swans?

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An illustration of Pappochelys, based on its 240-million-year-old fossilized remains. This ancestor to today's turtle was about 8 inches long. Rainer Schoch/Nature hide caption

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How The Turtle Got Its Shell

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The skull of a chicken embryo (left) has a recognizable beak. But when scientists block the expression of two particular genes, the embryo develops a rounded "snout" (center) that looks something like an alligator's skull (right). Bhart-Anjan S. Bhullar hide caption

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How Bird Beaks Got Their Start As Dinosaur Snouts

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Fernandina's Flicker (Colaptes fernandinae), a woodpecker found only in Cuba. Pete Oxford/Minden Pictures/Corbis hide caption

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U.S. Biologists Keen To Explore, Help Protect Cuba's Wild Places

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The European eagle owl, like this one from the Mulhouse Zoo in eastern France, is one of the largest owl species, with a wingspan of about 6 feet. Sebastien Bozon/AFP/Getty Images hide caption

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Bar-headed geese tend to follow the sharp ups and downs of the Himalayas as they migrate, research finds. John Downer/Nature Picture Library/Corbis hide caption

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Highflying Geese Save Energy By Swooping Like A Roller Coaster

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Recent research has shown that zebra finches sing differently when drunk, but not whether they know enough of the lyrics to get through "I Will Survive" or "Don't Stop Believin'." Liza Gross/Courtesy Public Library of Science hide caption

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Scientists Discover That Drunk Birds Sing Like Drunks

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Recent research sequenced 48 bird species, including (from left) the budgerigar, the barn owl and the American flamingo. (Left and center)iStock; (Right) Chris Minerva/Ocean/Corbis hide caption

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Birds Of A Feather Aren't Necessarily Related

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The Mystery Of The Missing Martins

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A Baltimore oriole perches near apple blossoms in Mendota Heights, Minn. Universal Images Group via Getty Images hide caption

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More Than Half Of U.S. Bird Species Threatened By Climate Change

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A greater rhea grazes in a canola field near Utecht in northern Germany in 2012. A similar bird has been loose in the English countryside for the past month. DPA/AFP/Getty Images hide caption

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