Breeds central Chile (Santiago south to Valdivia), northern and eastern Argentina (south to Chubut and Buenos Aires), Uruguay and south-eastern Brazil (Rio Grande do Sul); in non-breeding season north to Paraguay.
 
Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.
Population
Estimated population is unknown (2012) and decreasing.
Warbling Doradito (Pseudocolopteryx flaviventris) [XC60368]
by Dante Buzzetti from Estancia El Transito, Concepcion, Corrientes, Argentina (song)
Warbling Doradito (Pseudocolopteryx flaviventris) [XC754876]
by Guillermo Treboux from Ca\u00f1ada de las Ovejas, Col\u00f3n, Entre R\u00edos, Argentina (song)
Subspecies
Pseudocolopteryx flaviventris (Sibley and Monroe 1990, 1993) has been split into Pseudocolopteryx flaviventris and Pseudocolopteryx citreola following SACC (2010).
Chilean birds may be slightly larger in size than those elsewhere in range. Further study is needed.