Argentina, Brazil, Chile, Falkland Islands (Malvinas), Paraguay, Peru, South Georgia and the South Sandwich Islands, Uruguay (B).
Coastal southern Peru; extreme south-eastern Brazil; coastal central Chile east to southern Paraguay, north-eastern Argentina and Uruguay, and south to northern Tierra del Fuego. Also Falkland Is (formerly?). Erroneous records from northern Argentina based on confusion with Red-gartered Coot (Fulica armillata).
 
Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.
Population
Estimated population is 25,000 - 100,000 (2010).