Ключевые слова: animal, animals, avian, aythya, aythya ferina, background, beak, beautiful, bird, birding, birds, birdwatching, brown, common, diving, diving duck, diving ducks, duck, ducks, environment, europe, european, european pochard, fauna, feather, female, ferina, flight, lake, lakes, life, male, natural, nature, ornithology, outdoor, outdoors, pochard, pond, river, spring, summer, swim, water, waterbird, waterfowl, wild, wild animal, wildlife, wing,