South-eastern Bolivia and south-western Brazil through central Paraguay to northern Argentina. Small numbers feral in Buenos Aires city; also in Canada and USA.
 
Population
Estimated population is unknown (2010).
Nanday Parakeet (Aratinga nenday) [XC57634]
by Bernabe Lopez-Lanus from Parques de Palermo (ciudad de Buenos Aires), Provincia de Buenos Aires, Argentina (call)
Nanday Parakeet (Aratinga nenday) [XC879280]
by Dante Buzzetti from Fazenda Rio Negro, Rio Negro, Aquidauana, Mato Grosso do Sul, Brazil (flight call)