South-eastern Brazil (southern from southern Goiás, Minas Gerais and Rio de Janeiro) south to eastern Paraguay, north-eastern Argentina (Corrientes and northern Santa Fe, rarely northern Entre Ríos) and northern Uruguay.
 
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 (2010).
Yellow-rumped Marshbird (Pseudoleistes guirahuro) [XC7393]
by Fernando Jacobs from 09001 Coqueiro - S\u00e3o Louren\u00e7o do Sul, Rio Grande do Sul, Brazil (song)
Yellow-rumped Marshbird (Pseudoleistes guirahuro) [XC211764]
by Marcelo M\u00fcller from Piracicaba, S\u00e3o Paulo, Brazil (call, 9 individuals)