Ключевые слова: animal, avian, background, beak, biology, bird, birdwatching, brown, calm, clean, copyspace, deep, drake, duck, environmental, face, fauna, feather, float, fowl, from above, green, mallard, natural background, nature, ornithology, outside, over, park, pond, reflection, refraction, relaxation, ripples, river, shallow, stream, surface, swim, top view, water, waterfowl, weather, wet, wild, wildlife, winter, wintering, zoo,