Some Jurassic period birds were flightless

Chinese fossil of bird with undersized wings scrambles avian evolution

By Will Dunham Oct 14 (Reuters) - Scientists have discovered the fossil of a crow-sized bird that lived in China roughly 150 million years ago and possessed undersized wings that may have made it more of a runner than a flier — a discovery that paints ...

Flightless Jurassic bird was like a carnivorous pheasant with killer claws

An early bird with many dinosaur-like features discovered in China seems to have been a fast-running, land-based carnivore with killer claws.

Some Jurassic period birds were flightless

Nature, Published online: 14 October 2026; doi:10.1038/d41586-026-02645-8The fossil discovery of an early avian ancestor in China reveals that flightless birds lived alongside the known flying species.