Ключевые слова: animal, aquatic, beak, beautiful, bird, blue, bright, brown, clear, cute, day, duck, ecology, environment, fauna, feather, feathers, female, float, flock, fowl, head, hunting, lake, mallard, migratory, nature, ocean, one, outdoor, plumage, pond, preserve, profile, quiet, recreation, ripple, river, sea, season, swim, swimming, water, waterfowl, weather, white, wild, wildlife, wing,