Galapagos white-cheeked pintail (Anas bahamensis galapagensis) feeding near giant tortoise in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

galapagos giant tortoise wildlife feeding wetlands flora fauna biodiversity habitat nature conservation ecuador south america ducks reptiles ecosystem unesco water island avian species tortoises foraging wildlife observation natural habitat animal behavior aquatic plants birdwatching species diversity endemic species tourism ecological balance environment nature preservation ecosystems animal interactions tropical habitat lush vegetation serene waters unique wildlife conservation area native species animal species waterfowl galapagos islands aquatic ecosystem endemic fauna