Ключевые слова: animal, avian, background, beak, beautiful, beauty, bird, birds, blue, brown, common shelduck, couple, duck, ducks, fauna, feather, floating, food, fowl, green, group, lake, mallard, natural, nature, ornithology, outdoor, park, pond, river, ruddy shelduck, shelduck, swim, water, waterfowl, white, wild, wildlife,