Yi qi means "strange wing" in Mandarin. Scientists theorize that the small dinosaur was a failed experiment in flight, one that went extinct while feathery wings continued to evolve. They don't know exactly how it used its wings, but its anatomy suggests it was capable of gliding. (Image credit: Emily Willoughby)
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Key Facts In This Video
There are three different known groups of flying vertebrates: birds, bats, and pterosaurs. 00:21
Yi qi had long fingers that supported a wing membrane, which may have resembled a bat's wing. 00:55
Scientists theorize that Yi qi was able to glide. 01:19