Ключевые слова: animal, animals, aquatic, avifauna, beautiful, biosphere, bird, birds, birdwatching, clouds, cloudy, conservation, cormorant, danube, delta, destroy, dried, ecosystem, environment, fauna, fisher, flora, great, landscape, life, nature, nest, nesting, nestle, outdoor, outside, peaceful, picturesque, plants, pygmy, reservation, scenery, scenic, sky, together, tree, trees, up, vegetation, view, watching, waterbirds, waterfowl, wild, wilderness,