South-eastern Brazil (extreme south-eastern Minas Gerais and southern Rio de Janeiro to northern Rio Grande do Sul) and north-eastern Argentina (Misiones).
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 through conversion to agriculture is the main threat.
For more information see BirdLife International Species Factsheet.
Voice
The song is a high pitched descending trill. Also various high pitched calls.
Araucaria Tit-Spinetail (Leptasthenura setaria) [XC825936]
by id from National Forest Canela, Canela, Rio Grande do Sul, Brazil (song)
Araucaria Tit-Spinetail (Leptasthenura setaria) [XC809100]
by Heraldo V. Norambuena from Parque Estadual Lago Azul, Campo Mour\u00e3o, Paran\u00e1, Brazil (song)
Subspecies
No subspecies.
Formerly placed in a monotypic genus Dendrophylax or Bathmidura. Differs from other members of current genus in bill and tail shapes and in details of plumage pattern.
Similar Species
Could only be confused with the sympatric Striolated Tit-Spinetail (Leptasthenura striolata) which has a streaked mantle and no crest.
References
See References.
BirdLife International Species Factsheet