Ключевые слова: animal, aqua, beautiful, beauty, biology, bird, black, brown, calm, clean, colorful, countryside, cute, duck, ecology, elegance, environment, fauna, feather, float, fowls, hen, hunting, lake, mallard, nature, ornithology, outdoors, plumage, preserve, quiet, recreation, refuge, rest, stank, stream, swimming, the pond, water, wild, wildlife, wing,