Ключевые слова: april, area, baltic, beautiful, bird, bog, bush, calm, day, duck, early, easter, europe, foliage, forest, fresh, goose, green, healthy, hiking, holiday, lake, landscape, leaves, march, marsh, migration, mire, nature, northern, outdoors, plant, pond, reed, relax, scenery, season, spring, sunny, swamp, swan, travel, tree, walk, water, wet, wetland, wood,