South-eastern Brazil, from Minas Gerais and Espírito Santo south to Rio Grande do Sul.
 
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) and decreasing.
Status NT
Habitat destruction and degradation owing to expansion of pasture and cultivation is the main threat.
For more information see BirdLife International Species Factsheet.
Serra do Mar Tyrannulet (Phylloscartes difficilis) [XC59197]
by Herman van Oosten from Estrada da Graciosa, Paran\u00e1 state, Brazil (call)
Serra do Mar Tyrannulet (Phylloscartes difficilis) [XC283240]
by Jeremy Minns from Itatiaia National Park. Agulhas Negras road, Brazil (song, mechanical sounds)