Ключевые слова: animal, aquatic, beak, beautiful, beauty, bird, birds, birdwatching, blue, brown, clear, cute, duck, duckling, ducks, environment, feather, feathers, female, floating, fowl, grass, green, group, lake, landscape, mallard, migration, natural, nature, ornithology, outdoor, outdoors, park, pond, reflection, river, sea, summer, swim, water, water bird, waterfowl, wild, wild duck, wild ducks, wildlife, wing, wings, zoology,