夜鹰一种美洲夜鹰属的主要夜鸟，尤指小美国夜鹰，具有上有白点的棕灰色羽翅膀。
Any of several chiefly nocturnal birds of the genus chordeiles , especially c.minor , having mottled grayish-brown feathers with a white spot on the wings .
小夜鹰