Ключевые слова: background, beak, bird, bridge, bright, brown, cute, daytime, dry, duck, environment, face, feather, grass, green, head, hyogo, japan, landing, landscape, muko river, nature, one bird, outdoor, rest, river, riverbank, riverbed, rock, spotbilled duck, stone, sunbathing, sunny, water, water surface, waterfowl, waterside, wild, wild bird, wildlife, wing, yellow,