Feather structures in maturing dinosaurs changed as they grew

(PhysOrg.com) -- Scientists from the Chinese Academy of Sciences in Beijing studying the feathers of the dinosaur Similicaudipteryx have found the feather structures changed as the animals matured, with the fossil of a smaller animal having feathers that were ribbon-like at the base with quills at the tips, and a larger dinosaur of the same species having quills the entire length of the forelimbs and tails.

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