A feather does not a bird make: Dinosaurs, pterodactyls and ancient birds

Ursula Göhlich At one time, anything that had feathers was a bird. Today, we have documented feathered dinosaurs, and some pterodactyls have also been shown to have had feather-like filaments. This has forced scientists to reconsider the nearly 150-million-year-old history of the development of feathers. IN GERMAN