White-cheeked pintail duck (Anas bahamensis) on Rabida Island, Galapagos Islands, Ecuador, South America

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

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

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

Galapagos white-cheeked pintail (Anas bahamensis galapagensis) feeding near giant tortoise in the Galapagos Island Archipelago, Ecuador

Adult white-cheeked pintail (Anas bahamensis) ducks in a freshwater pond in the highlands of Santa Cruz Island in the Galapagos Island Archipelago, Ecuador

Adult white-cheeked pintail (Anas bahamensis) ducks in a freshwater pond in the highlands of Santa Cruz Island in the Galapagos Island Archipelago, Ecuador

Adult white-cheeked pintail (Anas bahamensis) ducks in a freshwater pond in the highlands of Santa Cruz Island in the Galapagos Island Archipelago, Ecuador