水鸟
Waterfowl \Wa"ter*fowl`\, n. Any bird that frequents the water, or lives about rivers, lakes, etc., or on or near the sea; an aquatic fowl; -- used also collectively. Note: Of aquatic fowls, some are waders, or furnished with long legs; others are swimmers, or furnished with webbed feet.
waterfowl n : freshwater aquatic bird [syn: {water bird}, {waterbird}]