Two bird-sized dinosaurs evolved the ability to glide but ‘weren’t great at it’, study shows
Two magpie-sized dinosaurs that lived 160 million years ago evolved the ability to glide but were poor flyers, a new study shows. Despite having bat-like wings, the two foot-long, feathered dinosaurs, called Yi and Ambopteryx, only managed to glide clumsily between the trees, say US researchers. Their poor aerial ability meant they eventually died out … Read more