Ключевые слова: animal, avian, beak, beautiful, bird, black, blue, branch, carbo, cormoran, cormorant, danube, delta, ecology, ecotourism, environment, europe, fauna, feather, great, nature, outdoor, outdoors, phalacrocorax, reserve, romania, seabird, sitting, sky, standing, summer, tree, water, wild, wildlife, wing,