Ключевые слова: breeding, charles darwin, chelonoidis niger, ecuador, endemic, endemic species, evolution, galapagos, galapagos giant tortoise, galapagos islands, galapagos tortoise, giant tortoise, isabela, isabela island, island, latin america, mating, national park, natural selection, nature, park, reproduction, sex, south america, tortoise, turtle, urbina bay, vulnerable,