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

galapagos marine iguana amblyrhynchus cristatus ecology endemic species wildlife nature south america galapagos archipelago basking reptiles lizards conservation biodiversity habitat coastal species marine life volcanic islands sunbathing flora fauna scaly skin tropical outdoor unique wildlife endangered species natural habitat rich ecosystem island wildlife animal behavior individual close up rocky terrain ultraviolet light field study zoology animal species sun exposure tropical climate native species aquatic habitats evolutionary biology geological formation biodiversity hotspot natural history endemic fauna conservation efforts reptilian species unique adaptations cultural significance