Paleontologists have uncovered the remains of two new flying reptile species that shared the skies with early birds 120 million years ago in what is now China. The two species, Feilongus youngi and Nurhachius ignaciobritoi, belong to a family of flying reptiles known as pterosaurs. Both were discovered in Liaoning, a northeastern province of China famous for yielding fossils of bird-like dinosaurs. Feilongus had two crests atop its head running from front to back, one along its foot-long snout and another on the back of its head. It had a slight overbite and its teeth were curved and needle-shaped, while that of Nurhachius were pointed and triangular. Both species had wingspans of about 8-feet and belonged to groups previously found only in Europe. Pterosaurs were distant relatives of dinosaurs and ruled the skies for millions of years before birds. The members of their order ranged from that of sparrow-sized Pterodactyls to Quetzalcoatlus, the largest flying creature of all time with a wingspan of up to 40-feet. Some pterosaurs flew by flapping their wings like modern birds. Others, like Feilongus and Nurhachius, used their thin wings of stretched skin to ride the wind like kites. Many pterosaurs were covered in hair similar to that of mammals.
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