Ключевые слова: animal, aquatic, bird, black, branch, brown, cormorant, feather, fishing, great cormorant, iceland, lake, nature, ocean, palmate, pelecaniformes, perch, perched, phalacrocoracidae, phalacrocorax, phalacrocorax carbo, plumage, pond, river, sea, seabird, seydisfjordur, trunk, waterfowl, wing,