Bird, Waterfowl, Anseriformes, Duck, Teal, Goose, Mallard, America, animal, aquatic, Argentina, beak, beautiful, biology, birds, black, Bolivia, Brazil, brown, close-up, color, colorful, dabbling, ducks, fauna, feathers, female, hunting, lake, male, marsh, migrant, migratory, nature, necked, ornithology, pair, Paraguay, pond, pretty, ring, ring-necked, ringed, river, species, spotted, summer, swimming, Uruguay, walk, water, waterfowl, wetlands, white, wild, wilderness, wildfowl, wildlife, wings, duck, set, stream, uruguay, united states, plant, decoration, paraguay, wetland, pass, zoology, traveler, sport, discipline, base on balls, jewelry, district, implementation, life science, passage, United States of America, argentina, bolivia, bird, brazil, adornment, means, food, season, U.S., United States, search, diversion, mouth, disfavor, feather, pool, orifice, south american country, photograph, rejection, meat, aquatic bird, science, accomplishment, life, person, north american country, water sport, situation