Ключевые слова: anatidae, animal, beak, beautiful, bird, birdwatching, blue, bodies, brown, colorful, duck, feather, green, head, horizontal, lake, male, mallard, motion, natural, nature, one, outdoor, outside, park, partners, pond, puddle, reflection, river, seasonal, sky, swim, vegetarian, vertebrates, water, waterfowl, wide, wild, wildlife, wind, wing,