Ключевые слова: american, animal, avian, background, beak, beautiful, bird, birds, birdwatching, black, blackbellied, brazil, brown, closeup, costa rica, dendrocygna, dendrocygna autumnalis, ducks, environment, fauna, feather, feathered, front, natura, naturale, north, north america, of, orange, ornithology, outdoor, outdoors, paraguay, perched, plumage, species, spring, texas, the, tree, ugh, uruguay, water, waterfowl, whistling, whistling duck, whistlingduck, wild, wildlife, wing,