The endemic Galapagos marine iguana (Amblyrhynchus cristatus) feeding on algae at low tide in the Galapagos, UNESCO World Heritage Site, Ecuador, South America

galapagos marine iguana amblyrhynchus cristatus feeding algae low tide ecuador unesco endemic species wildlife nature ocean shoreline reptile south america ecosystem marine life biodiversity rock formation coastal habitat green algae scaly foraging behavior environment conservation tourism natural habitat galapagos islands iguana behavior aquatic habitat animal feeding reptilian features habitats unique species coastal ecosystem ecological balance iguana habitat wildlife observation animal behavior endangered species aquatic vegetation marine ecology iguana population tropical climate coastal wildlife biosphere reserve natural wonder species adaptation marine biodiversity oceanic wildlife