Ключевые слова: activity, aquatic, area, avian, behavior, birds, calm, coastal, ducks, dusk, ecosystem, environment, evening, fauna, flock, gentle, habitat, lake, landscape, leisure, life, light, marine, natural, nature, outdoor, outdoors, peaceful, pond, reflection, relaxation, river, scenery, serene, setting, shore, shorebirds, silhouettes, sunset, surface, swimming, tranquility, twilight, watching, water, waterfowl, waters, wildlife,