Ключевые слова: animal, animal behavior, bartolome island, biology, bird, bird preening, blue footed boobie, boobie, ethology, fauna, galapagos, galapagos islands ecuador, natural, nature, ornithology, outdoor, preening, pretty, remote, sea bird, sula nebouxii, volcanic island, volcanic rock, waterfowl, wild, wilderness, wildlife, zoology,