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) [XC352231]
by JAYRSON ARAUJO DE OLIVEIRA from Agronomia UFGO - Rio Meia Ponte\/C\u00f3rrego Samambaia., Brazil (begging call)
Muscovy Duck (Cairina moschata) [XC443455]
by JAYRSON ARAUJO DE OLIVEIRA from Santa Rita do Novo Destino, Goi\u00e1s, Ch\u00e1cara Jayrson, Brazil (flight call)