any of a number of birds with a long narrow downcurved bill 弯嘴鸟
a tropical American hummingbird (genus Eutoxeres, family Trochilidae: two species) a New Guinea bird of paradise (two genera in the family Paradisaeidae) (美洲热带地区的)镰嘴蜂鸟(镰嘴蜂鸟属,蜂鸟科:2种) 新几内亚极乐鸟(极乐鸟科中2属)