Order: Anseriformes
Family: Anatidae
The Yellow-billed Pintail is a medium-sized dabbling duck found throughout southern South America, including the wetlands and lakes of Patagonia. Its most distinctive feature is its striking yellow bill, which contrasts with its mottled brown plumage. The species is highly adaptable, inhabiting both freshwater and brackish environments, from lowland marshes to high Andean lakes. Social and often seen in small flocks, the Yellow-billed Pintail feeds mainly on seeds, aquatic plants, and small invertebrates. It breeds in dense vegetation near water, constructing nests on the ground. While generally common and widespread, some isolated populations, such as those on South Georgia, are of conservation interest due to their restricted range.
Habitat
Prefers lakes, marshes, slow rivers, and wetlands, from sea level to high Andean regions across Patagonia.
Foraging
Feeds by dabbling and upending in shallow water, consuming seeds, aquatic plants, and small invertebrates.
