Ключевые слова: animal, bird, black, bough, branch, brown, cormorant, countryside, crest, dark, environment, feather, full length, great black cormorant, great cormorant, living organism, nature, no one, nobody, outdoors, outside, phalacrocoracidae, phalacrocorax carbo, preening, relaxation, resting, sea bird, sitting, sleeping, the natural world, twig, wildlife, wildlife reserve,