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

galapagos marine iguana amblyrhynchus cristatus espanola island endemic species southern hemisphere equator biodiversity ecology wildlife sand basking natural habitat reptile adaptation evolution coast lava rocks unesco conservation endemic fauna galapagos islands coolant swimming herbivores sunbathing predator camouflage lizard species diversity saltwater aquatic unique coloration environment flora fauna ecosystem feeding social behavior geology tropical volcanic inhabited migration weather breeding territorial natural selection habitat loss animal behavior