Ключевые слова: animal, avian, beak, beautiful, beauty, bird, birding, birdwatching, common, danube, delta, fauna, feather, fisher, hirundo, hunter, lake, landscape, look, migratory, natural, nature, ornithology, outdoor, plumage, reservation, river, romania, sea, seabird, sterna, sternidae, summer, tern, tourism, travel, view, wetland, wild, wildlife, wing,