Rare pterosaurs’ fossils have been discovered in Hami Prefecture in northwest China’s Xinjiang Uygur Autonomous Region. /Xinhua Photo

An international research team led by Chinese paleontologists said on November 30, 2017, that they’ve discovered a specimen with more than 200 pterosaurs’ eggs and bones during the past decade in the area. /Xinhua Photo

It also contained remains of three-dimensional embryo of the flying reptile, the first of its kind in history. /China News Service Photo

This is a reconstruction image of pterosaurs, which is close cousins of dinosaurs, and went extinct some 66 million years ago. /Xinhua Photo