By Ken Billington (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons -
South America. The southern region of South America - much of Chile, Argentina, Uruguay and southen Brazil.
No documented escapes known. The species is not in many collections but is winter hardy here, breeds freely and known to hybridise with Cinnamon Teal and Cape Shoveler.