Ключевые слова: animal, bird, cold, colorful, common, duck, fauna, female, flight, flock, fly, flying, fowl, free, freedom, group, hunting, ice, icy, lake, mallard, many, merganser, nature, outdoor, park, platyrhynchos, pond, river, season, snow, swim, target, water, waterfowl, white, wild, wilderness, wildlife, wing, winter,