Ключевые слова: animal, background, beak, beautiful, birds, duck, environment, fauna, feather, flowing, forest, gardens, grass, green, green lawn, greenery, lake, lake nature, lakeshore, lawn, mallard, mallard ducks, motion, natural, nature, ornithology, outdoor, park, peaceful, place, pond, pond water, recreation, river, scenery, scenic, season, spring, stream, street, summer, toilet, tranquility, two ducks, water surface, waterfall, waterfowl, waterside, wildlife, yard,