This illustration provided by Dinostar Co. Ltd. shows the dinosaur, Yi qi, which is Mandarin for “strange wing”. Dinosaurs normally used feathers for flight, but the newly discovered creature evidently had wings made of skin instead, like a bat's, described in a paper released by the journal Nature on Wednesday, April 29, 2015. Though it's not clear whether they flapped or merely let the creature glide. (Photo by Dinostar Co. Ltd. via AP Photo)
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