Eastern Brazil (southern Bahia, north-eastern Minas Gerais).
 
Population
Estimated population is 1,000 - 2,499 (2010) and decreasing.
Status NT
Habitat destruction and degradation through clearance and fires spreading out of cultivated areas is the main threat.
For more information see BirdLife International Species Factsheet.
Voice
Distinctive disyllabic and rather low-pitched song, repeated constantly.
Bahia Spinetail (Synallaxis cinerea) [XC211922]
by Jeremy Minns from Boa Nova wet forest, Bahia, Brazil (call)
Bahia Spinetail (Synallaxis cinerea) [XC340056]
by Roney Souza from Macarani, Bahia, Brazil (call)
Subspecies
No subspecies.
Scientific name was long considered a junior synonym of Rufous-capped Spinetail (Synallaxis ruficapilla), but recently shown to represent a separate species. Bahia Spinetail (Synallaxis cinerea) is a synonym. Forms a superspecies with Rufous-capped Spinetail (Synallaxis ruficapilla) and Pinto's Spinetail (Synallaxis infuscata). This superspecies is suggested by some authors as being most closely related to Sooty-fronted Spinetail (Synallaxis frontalis), Azara's Spinetail (Synallaxis azarae) and Apurimac Spinetail (Synallaxis courseni) on basis of plumage and vocal similarities.