The discovery of feathered dinosaurs and early birds from the Lower Cretaceous of Liaoning, N.E.China have convinced most students that birds did evolve from coelurosaurian theropod dinosaurs.

• 在中国东北辽宁发现的早期白垩纪带羽毛的恐龙和早期鸟类的化石，已让大多数学者相信鸟类是从兽脚亚目蜥尾类恐龙演化而来。