分类夜鹰目夜鹰科镰翅夜鹰属镰lián翅chì夜yè鹰yīng属shǔEleothreptus种（2）镰翅夜鹰稀有Eleothreptus anomalus雄鸟长着奇特弯刀状飞羽的南美夜行隐士白翅夜鹰传说Eleothreptus candicans南美草原夜色中划过的一抹雪白飞羽
