 Discovered just two years after Darwin's seminal "Origin of Species", its discovery spurred the nascent debate between proponents of evolutionary biology and creationism.This early bird is so dinosaur-like that, without a clear impression of feathers in the surrounding rock, at least one specimen was mistaken for "Compsognathus".Since the 1990s, a number of additional feathered dinosaurs have been found, providing even stronger evidence of the close relationship between dinosaurs and modern birds.