Argentina, Belize, Bolivia, Brazil, Chile, Colombia, Costa Rica, Ecuador, El Salvador, French Guiana, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Panama, Paraguay, Peru, Suriname, Trinidad and Tobago, Uruguay (B), USA (B), Venezuela.
Unknown to Puerto Rico.
Tropical America from Mexico south to eastern Peru and northern Uruguay.
 
Population
Estimated population is 50,000 - 499,999 (2010).
Muscovy Duck (Cairina moschata) [XC70496]
by Oscar Ram\u00edrez Al\u00e1n from Estancia San Alonso (CLT), Ibera, Corrientes, Argentina (alarm call, female alarm call)
Muscovy Duck (Cairina moschata) [XC91755]
by Oswaldo Cortes from Rogitama (Reserva Principe de Arcabuco), Colombia (song)