7. The Raptor With Bat-Like Wings: Yi qi

The curious Yi qi, discovered in China, stands out for its bat-like wings—a first among dinosaurs.
Instead of feathers, Yi qi’s wings were formed from a membranous skin stretched over a long, rod-like bone, much like a bat’s. This extraordinary adaptation reveals that dinosaurs experimented with multiple flight strategies, suggesting that not all flying dinosaurs relied on feathers. Read the story