New discovery pushes origin of feathers back by 70 million years. Two spectacular fossils found in China show that the flying reptiles known as pterosaurs had primitive feathers to help keep them warm, just like many dinosaurs.

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New discovery pushes origin of feathers back by 70 million years. Two spectacular fossils found in China show that the flying reptiles known as pterosaurs had primitive feathers to help keep them warm, just like many dinosaurs.