Ключевые слова: africa, african, anatidae, animal, animals, anseriformes, asia, asian, aves, aythyinae, bird, birds, central asia, duck, ducks, eurasia, eurasian, europe, european, fauna, float, floating, india, lake, lakes, male, marsh, marshes, natural, nature, netta, netta rufina, one, one animal, pochard, pochards, redcrested pochard, swim, swimming, water, wild, wild animal, wild life, wildlife, zoo,