Ключевые слова: animal, animals, beak, beaks, beautiful, bird, birding, common merganser, cycling trail, duck, ducks, feather, female, female merganser, goosander, horizontal, lake, mallard, merganser, mergus, mergus merganser, natural, nature, ornithology, poland birds, recreational area, red feathers, rock, rocky mountains, sea, seaducks, south platte river, two, water, water fowl, waterbird, waterfowl, waterton canyon, webbed feet, wild, wildlife, wing,