Wild Galapagos giant tortoise (Geochelone elephantopus) feeding on the upslope grasslands of Santa Cruz Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

geochelone elephantopus feeding grasslands wildlife ecosystem nature conservation tortoise animal behavior animal habitat foraging flora fauna endemic species biodiversity south america ecuador reptile slow moving herbivore natural habitat ecosystems tortoiseshell green vegetation ponds wetlands species protection natural landscape ecological balance wildlife preservation terrestrial vertebrate large tortoise giant reptile aquatic environment endemic wildlife island ecosystem rich biodiversity unique species natural beauty endangered species ecological importance