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Feathered dinosaur fossil fuels bird origin debate
A duck sized dinosaur from Liaoning Province China with a downy feather like coat dates 126 to 147 million years ago. Researchers say the body coverings were insulation and may indicate theropods were warm blooded and predated Archaeopteryx. Skeptics question whether these structures are true feathers. The find, on display at the American Museum of Natural History, highlights ongoing controversy over whether birds evolved from theropods.
MENTIONED IN THIS ARTICLE
Associated Press
China
Mark Norell
Division of Paleontology
American Museum of Natural History
New York
New York Museum
Nature Novell
Sents
Beijing
Storrs Olson
National Museum of Natural History
Smithsonian Institution
Olson
Norell
Liaoning