Ключевые слова: animal, avian, background, beak, bill, bird, dark, decoration, duck, ecology, europe, european, exotic, feathers, floating, foraging, france, germany, head, illustration, italy, lake, male, nature, netta, nice, norway, ornithology, park, pochard, poland, pond, redcrested, reflection, river, rufina, rusty, slovakia, soft, springtime, surface, sweden, swimming, water, waterfowl, wet, wild, wildlife, wings,