The discovery of the new species of primitive bird 'Yuezhuornis yangyuanensis' raises the possibility that not all ancestors of modern birds sought to fly, as some adapted to a terrestrial life during the late Jurassic. #Paleontología #AvesPrimitivas #Evolución (translated)
elpais.com
No todas las aves primitivas buscaban volar, algunas se quedaron en el suelo
