Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Panama, Peru, Suriname, Venezuela.
Introduced to USA (B).
Eastern Panama and Colombia southern and east through Ecuador, eastern Peru and northern Bolivia to central and north-eastern Brazil, Venezuela and the Guianas.
 
Population
Estimated population is unknown (2010).
Chestnut-fronted Macaw (Ara severus) [XC260387]
by Mitch Lysinger from Pichincha: W of Pedro Vicente Maldonado, Ecuador (flight call, flight calls)
Chestnut-fronted Macaw (Ara severus) [XC372303]
by Juan Pablo L\u00f3pez-O. from Metet\u00ed, Dari\u00e9n, Panama (call, song)
Subspecies
Usually treated as comprising two subspecies, with western populations (castaneifrons) being marginally larger, but differences likely to be clinal.