Two bird fossils dating back 149 million years ... “Previously, the oldest record of short-tailed birds is from the Early Cretaceous. Baminornis zhenghensis is the sole Jurassic and the oldest ...
The bird has a short tail ending in a pygostyle ... (photo credit: from video by Ren Wenyu) Scientists described two fossilized birds from the Jurassic period in a recent article published ...