Ключевые слова: acrocephalus, animal, beak, bill, bird, birdwatching, blue, branch, brown, bush, feather, great, lakes, marsh, nature, neck, one, ornithology, palustris, park, reed, sea, sing, single, sky, small, song bird, songbird, species, spring, springtime, warbler, water, wild, wildlife, wing, wood,