South-eastern Brazil (southern Espírito Santo south to Paraná and northern Rio Grande do Sul), eastern Paraguay and north-eastern Argentina (Misiones).
 
Population
Estimated population is unknown (2010) and decreasing.
Status LC
Habitat destruction and degradation through urbanisation, industrialisation, agricultural expansion, colonisation and associated road-building, is the main threat.
For more information see BirdLife International Species Factsheet.
Blackish-blue Seedeater (Amaurospiza moesta) [XC599039]
by Bobby Wilcox from Libertador General San Mart\u00edn Department, Misiones, Misiones Province, Argentina (song)
Blackish-blue Seedeater (Amaurospiza moesta) [XC46347]
by Myriam Velazquez from Vila Campina da Alegria, Vargem Bonita - SC, Brazil (song)
Subspecies
No subspecies.
Molecular data indicate that genus may belong in the cardinal family (Cardinalidae), rather than in present one.