Argentina, Bolivia, Brazil, Chile, Falkland Islands (Malvinas), Paraguay, South Georgia and the South Sandwich Islands, Uruguay (B).
Central Chile, from Atacama to Valdivia; south-eastern South America, from southern Brazil and Paraguay southwards to Río Negro, east-central Argentina.
 
Population
Estimated population is 1,000,000 (2010).
Rosy-billed Pochard (Netta peposaca) [XC48344]
by Rosendo Manuel Fraga from Estancia La Verdosa (San Enrique), Partido de 25 de Mayo, Buenos Aires, Argentina., Argentina (alarm call, female alarm call)
Rosy-billed Pochard (Netta peposaca) [XC226686]
by Bernabe Lopez-Lanus from Taim area, Rio Grande do Sul, Brazil (call)
Subspecies
Pronounced tendency to hybridize with Red-crested Pochard (Netta rufina) and other pochards in ornamental wildfowl collections.