Ключевые слова: adult animal, animal behaviour, animals in the wild, aquatic, aquatic mammal, boulder, calling, color image, communication, day, ecuador, galapagos, galapagos islands, galapagos national park, galapagos sea lion, horizontal, latin america, mouth open, national park, nature, no people, noise, one animal, outdoors, pacific islands, parque nacional galapagos, photography, playa ochoa, rock, san cristobal island, sea animal, sea lion, seal, swimming animal, the natural world, wild animal, wildlife, zalophus californianus wollebacki, zoology,