Central and southern Chile from Aconcagua south to northern Magallanes (including Chiloé I and other near-shore islands) and extreme western Argentina (Neuquén south to Santa Cruz).
 
Population
Estimated population is unknown (2010).
Des Murs's Wiretail (Sylviorthorhynchus desmurii) [XC53587]
by Felix Vidoz from PN Lago Puelo, Chubut, Argentina (song)
Des Murs's Wiretail (Sylviorthorhynchus desmurii) [XC543496]
by Dante Buzzetti from Piedra Azul Alto, Puerto Montt, Llanquihue, Los Lagos, Chile (call, aggressive call)
Subspecies
No subspecies.
General morphology and tail structure suggest possible relationship to Schizoeaca, and nests are at least superficially similar.