Ducks, Geese and Swans (Anatidae)

Argentine Blue-billed Duck (Oxyura vittata) - HBW 1, p. 628

French: Erismature orné German: Bindenruderente Spanish: Malvasía Argentina
Other common names: Lake Duck, Argentine Blue-bill, Argentine Ruddy Duck

Taxonomy: Erismatura vittata Philippi, 1860, Chile.
Considered by some to form superspecies with O. australis. Monotypic.

Distribution: Most of Chile and Argentina (except highlands), northwards to SE Brazil.