Given the ancient root of the louse family tree, it is likely that the first louse infested the feathered dinosaurs that were the birds' ancestors, he concludes.

考虑到虱子系统树的悠久历史，很可能虱子先传播到是鸟类祖先的有羽毛恐龙身上了。

youdao

Unearthed in China, fossils of feathered dinosaurs offer the most dramatic evidence yet discovered of the close evolutionary relationship between dinosaurs and birds.

在中国出土的有羽毛的恐龙化石为恐龙和鸟类之间的密切进化关系提供了迄今为止最引人注目的证据。

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Some scientists argue that feathered dinosaurs evolved flight from the ground up, flapping their feathered arms as they ran.

一些研究者认为羽毛恐龙是从零开始进化出飞行能力的，它们在奔跑中会拍动自己带羽毛的前肢。

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They plan to use this method to identify the colors of other feathered dinosaurs.

VOA: special.2010.03.16

Fossil discoveries of feathered dinosaurs in northeastern China over the past two decades have challenged Archaeopteryx's place in bird evolution.

NPR: New Study Restores Famed Fossil To "Bird" Branch

They join a number of other striking feathered dinosaurs found in ancient lake deposits in China and Germany, for which the presence of feathers is inferred by subtle markings on the fossil bones and wispy markings in the surrounding fossilised sediment.

BBC: Dinosaur feathers 'developed for courtship'

It lived during the middle to late Jurassic era in China's Liaoning province where many early birds and feathered dinosaurs roamed.

NPR: New Study Restores Famed Fossil To "Bird" Branch