Jian changmaensis is the first non-avian dinosaur found at a paleontological site that has yielded more than 100 specimens of Early Cretaceous birds.
Jian changmaensis is the first non-avian dinosaur found at a paleontological site that has yielded more than 100 specimens of Early Cretaceous birds.
Jian changmaensis lived in what is now northwestern China roughly 124 to 120 million years ago (Earl... [3336 chars]