whistling duck 同义词
1 鸭科
duck goose teal redhead harlequin mallard pintail eider merganser gadwall shoveler wigeon canvasback scaup scoter goldeneye hardhead whooper pochard goosander shelduck greylag bufflehead whitefront stifftail diving duck wood duck snow goose Canada goose musk duck mandarin duck long tailed duck dabbling duck bean goose steamer duck falcated teal ferruginous duck Muscovy duck mute swan king eider grey goose Cape Barren goose sea duck coscoroba swan Bewick's swan tundra swan whistling swan Hawaiian goose Egyptian goose trumpeter swan tufted duck ruddy duck