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) [XC678044]
by JAYRSON ARAUJO DE OLIVEIRA from Serra da Bocaina,S\u00e3o Jos\u00e9 do Barreiro,S\u00e3o Paulo, Brazil (song)
Blackish-blue Seedeater (Amaurospiza moesta) [XC551931]
by id from Forestal Belga (Cruce Caballero), San Pedro, Misiones, Argentina (song)
Subspecies
No subspecies.
Molecular data indicate that genus may belong in the cardinal family (Cardinalidae), rather than in present one.