Ключевые слова: anatidae, animal, animals, anseriformes, aves, avian, aythini, beak, bill, bird, boondocks, brine, colorful, crested, duck, ecology, environment, european, fauna, feather, feathers, floating, lake, nature, nice, nice rufina, ornithology, pochard, pond, red, red crested, redcrested pochard, reflection, royalty free, rufina, swimming, times, vertebrates, water, water birds, waterbirds, waterfowl, wet, wild, wildfowl, wildlife,