Ji Qiang, Ji Shu-An, Philip Currie and Mark Norell publish in Nature an article on the two feathered dinosaurs Protoarchaeopteryx and Caudipteryx, probably an intermediate stage between scales and feathers.
Ji Qiang, Ji Shu-An, Philip Currie and Mark Norell publish in Nature an article on the two feathered dinosaurs Protoarchaeopteryx and Caudipteryx, probably an intermediate stage between scales and feathers.