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

amblyrhynchus cristatus espanolaisland endemic species basking wildlife coastal environment sand sun reptiles biodiversity conservation ecology tropical ecosystem natural habitat animal behavior vibrant colors iguana group south america fauna flora marine life evolution unique species nature habitat protection coastal fauna iguanas resting exotic wildlife volcanic islands ecological significance conservation areas temperature regulation feeding habits terrestrial reptiles amphibious lifestyle animal adaptability natural selection geological features coastal ecosystems marine biodiversity ecological studies endemic fauna wildlife observation natural resources