A Feathered Dinosaur Tail with Primitive Plumage Trapped in Mid-Cretaceous Amber

In the two decades since the discovery of feathered dinosaurs [1Ji Q. Ji S.-A. On the discovery of the earliest fossil bird in China (Sinosauropteryx gen. nov.) and the origin of birds.Chin. Geol. 1996; 233: 30-33Google Scholar, 2Qiang J. Currie P.J. Norell M.A. Ji S. Two feathered dinosaurs from northeastern China.Nature. 1998; 393: 753-761Crossref Scopus (425) Google Scholar, 3Chen P.J. Dong Z.M. Zhen S.N. An exceptionally well-preserved...