wild waterfowl野生水禽;野水禽
breeding waterfowl繁殖水禽
waterfowl feather水禽羽毛
waterfowl refuge[生态] 水禽保护区
waterfowl disease水禽疾病
Waterfowl fauna水禽;水鸟区系
And Waterfowl和水禽
migratory waterfowl迁徙性的水禽
N-COUNT(可数名词) Waterfowl are birds that swim in water, especially ducks, geese, and swans. 水禽(尤指鸭、鹅和天鹅)