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

galapagos giant tortoise geochelone elephantopus feeding grasslands wildlife ecosystem conservation nature ecuador south america unesco heritage site flora fauna reptile herbivore biodiversity habitat grazing tortoise endemic species animal behavior natural habitat environment wild animal iguana tortoiseshell native species landscape vegetation green slow moving aquatic terrestrial shelled reptiles endangered species giant reptiles ecological balance species protection unique wildlife organic feeding terrestrial animals island wildlife natural environment organic ecosystem ecological diversity