Ключевые слова: animal, avian, beak, beauty, bird, birding, birds, brown, cock duck, dabbling, drake, drakes, duck, ducks, fauna, feather, female, floating, flock, following, fowl, freshwater, game bird, group, horizontal, lake, male, mallard, many, mated, mating, nature, ornithology, outdoor, pond, ripples, river, scene, summer, swim, swimming, water, waterfowl, wild, wildlife, wings,