Ducks, Geese and Swans (Anatidae)

White-headed Steamerduck (Tachyeres leucocephalus) - HBW 1, p. 593

French: Brassemer à tête blanche German: Weißkopf Dampfschiffente Spanish: Patovapor Cabeciblanco
Other common names: White-headed Flightless Steamerduck, Chubut Steamerduck

Taxonomy: Tachyeres leucocephalus Humphrey and Thompson, 1981, Chubut Province, Argentina.
Although locally abundant, not described until 1981; old records of occurrence of T. pteneres on Chubut coast presumably refer to present species. Often considered to form superspecies with T. pteneres and T. brachypterus. Monotypic.

Distribution: Restricted to S coast of Chubut province, Argentina.