Ключевые слова: background, bird, blue, brown, duck, dusk, environment, evening, floating, glittering, grass, green, lake, landscape, nature, nightfall, one, outdoor, park, pond, river, river surface, riverbank, riverbed, rock, shimmering, shore, spotbilled duck, stream, summer, sunset, swaying, swimming, water, water surface, waterfowl, wild, wild bird, wildlife,