Ключевые слова: abstract, animal, animals, autumn, background, beak, bird, birds, calm, clan, colorful, duck, ducks, ducks in the water, environment, environmental concern, family, feather, flock, goose, green, group, lake, landscape, mallard, natural, nature, outdoor, park, pond, rain, reflection, ripples, river, scenic, small bird, spring, summer, surface, swim, swimming, view, water, waterfowl, wild, wild bird, wild ducks, wildlife, wing,