The endemic Galapagos marine iguana (Amblyrhynchus cristatus) on Espanola Island in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

galapagos marine iguana espanolaisland amblyrhynchus cristatus endemic species reptile basking ecology sunbathing wildlife biodiversity nature conservation unesco heritage south america lizard ocean habitat evolution feeding grooming volcanic rocks cold blooded flippers mating adaptation endemic fauna fauna zoology coastal ecosystem marine life flora iguanas colors scales herbivore biology unique species native species ecosystems conservation efforts wildlife protection research tourism habitats galapagos islands endangered species wildlife observation