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First Dinosaur Feathers for Show, Not Flight?
from National Geographic News
One of the oldest known dinosaur relatives of birds had "bizarre" anatomy, including long, ribbon-like tail feathers that suggest plumage may have first evolved for show rather than for flight, scientists say.
Farmers unearthed a fossil of the new dino species, dubbed Epidexipteryx hui, from the hills of Inner Mongolia in late 2007. The remains date back to 152 million to 168 million years ago, making the newfound creature slightly older than Archaeopteryx, the most primitive known bird.
Like other avialans—birds and their closest dinosaur relatives—Epidexipteryx is a theropod, a group of two-legged animals that includes Tyrannosaurus rex.
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