Ключевые слова: animal, beautiful, bird, birding, birds, birdwatching, black, blue, color, cormorant, delta, environment, fly, flying, great black cormorant, great cormorant, italy, migratory, nature, outdoor, palisade, phalacrocorax carbo, plumage, po, river, scenery, scenic, seabirds, standing, water, wetland, wild, wildlife, wings,