Ancient American bird was glider
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The largest bird known to have taken to the skies would have been a remarkable glider, scientists say.
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Chinese palaeontologists say they have found feathers on the fossilised legs of a primitive bird, which back controversial theories that birds descended from four-limbed dinosaurs.
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Person-sized bird with fearsome spear for a beak roamed Peru 36 million years ago.
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Two new fossilized pterosaur eggs have been discovered. The fossils suggest that the dinosaur-era flying reptiles lived in colonies and raised their young, experts say.
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Max the stork, currently the oldest animal being tracked by satellite, is flying north after a remarkably short winter sojourn in southern Spain, a natural history museum in Switzerland said Wednesday.
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While leaves tumble from trees this fall, another natural wonder is soaring overhead. Hawks in North and South America are taking to the air as part of a seasonal migration.
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Ancient bison DNA may help explain a longstanding mystery of North American wildlife: why mammoths, North American lions, short-faced bears and many other large mammals disappeared about 10,000 years ago.
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The first bird case has been confirmed by the Pueblo County Health Department. Officials will now survey the area where the bird was found.
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Description: The fossil remains of an ancient Spanish ape may help explain a key event in evolution. Scientists say the skeleton offers clues about how our ancestors stopped swinging from trees and started walking upright.
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London - A theory that birds may have had four wings during a stage of their evolution has been given fresh support with the discovery of a new fossil in China.
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CHARLESTON, S.C. - Could the awesome and seemingly limitless power of DNA be focused on a parakeet?  That question is intriguing historians who want to bring back the extinct Carolina parakeet - the only parrot species native to South Carolina.
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The bird, dubbed the &quot;Calayan Rail&quot;, is the size of a small crow and has dark brown plumage and bright orange-red legs and beak, said Carl Oliveros, who helped lead the expedition that found it.
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WASHINGTON -- A newly discovered fossil might be the remains of one of the first stealth hunters, a swimming dinosaur that could use its long neck to sneak up on prey and strike without warning.
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By Aaron Nelsen ? The Brownsville Herald, The Brownsville Herald, Texas  Jun. 18--Derek and Shirley Ellis have traveled the world for the chance to glimpse exotic birds. On occasion their pursuit has taken them to the fertile bird watching territory of the Rio Grande Valley.
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A re-assessed fossil from a Velociraptor dinosaur suggests the animal was probably covered in feathers.
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A bird species new to science is found by researchers on a remote island in the Philippines.
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A fossilized bird embryo with feathers was found in northeastern China, which may be evidence that early birds were more developed at birth than their modern ancestors, according to a study in the journal Science.