Cretaceous duck ruffles feathers
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Ducks may have been paddling about in primeval swamps when Tyrannosaurus rex was king of the dinosaurs, scientists report in Nature.
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Science & environment: Sightings of reclusive bird known for boom-like call at highest level since detailed monitoring began in 1990.
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To the growing evidence that some dinosaurs had feathers, add the family of tyrannosaurs, mighty predators in the age of reptiles.
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Elated scientists on Wednesday showed off a 130-million-year-old fossil that casts mammals in a new light by proving that in prehistoric times they fed on young dinosaurs.
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Chinese scientists unearth the earliest known relative of the mighty Tyrannosaurus rex - and it seems it was covered in fluffy feathers.
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WASHINGTON -- The fossil of what may be one of the earliest baby birds has been found in northeast China. The fossil, estimated at 121 million years old, is curled up as though still in its shell.
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The remains of a giant, birdlike dinosaur as tall as the formidable tyrannosaur have been found in China, a surprising discovery that indicates a more complicated evolutionary process for birds than originally thought
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At this time of year, the world seems built for birds on the wing.
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By Kie Relyea, The Bellingham Herald, Wash.  Feb. 20--The mighty pen almost killed off the trumpeter swan.   North America's heaviest flying birds were hunted in the 1600s through 1800s because their largest flight feathers were considered ideal for quill pens.
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Chinese and American scientists have discovered a fossil in northeast China which has provided a first look at dinosaurs&#39; bird-like sleep.
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Archaeopteryx, the earliest known bird, used both its feathered forelimbs and hind limbs to glide from trees, according to a new analysis of fossils found in the 1800s.
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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.
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Researchers using high-speed video say a species of hummingbird "chirps" by using its tail feathers, not its throat.
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A new species of duck-billed dinosaur unearthed in Mexico is helping scientists fill in gaps in the fossil record of the Age of Dinosaurs.
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The velociraptor, the fierce scaly-skinned dinosaur made popular by the film &quot;Jurassic Park,&quot; actually had feathers, according to a study published Thursday in the journal Science.
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Fossilized dinosaurs often have wide-open mouths, heads thrown back and tails that curve toward the head. Paleontologists have long assumed the dinosaurs died in water and the currents drifted the bones into that position, or that rigor mortis or drying muscles, tendons and ligaments contorted the limbs.  &quot;I&#39;m reading this in the literature and thinking, &#39;This doesn&#39;t make any sense to me as a veterinarian,&#39;&quot; said Cynthia Marshall Faux, a veterinarian-turned-paleontologist at the Museum of the Rockies. ...
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The discovery suggests that the care that crocodiles, birds, and other modern descendents of archosaurs give to their young may be an ancestral characteristic.