This has the sibship extremely with the birds the dinosaur fossil, to open the birds to origin, riddles and so on flight origin and feather origin has provided the recent evidence.

• 这枚与鸟类极具亲缘关系的恐龙化石，为揭开鸟类起源、飞行起源及羽毛起源等谜团提供了新的证据。