Breeds from central Chile and central Argentina south to Tierra del Fuego. Winters northern Chile, southern and eastern Bolivia, Argentina, Paraguay, south-eastern Brazil and Uruguay.
 
Population
Estimated population is unknown (2010).
Austral Negrito (Lessonia rufa) [XC46687]
by Andrew Spencer from Puente Barral (Arroyo Saladillo), Saladillo, provincia Buenos Aires, Argentina (call)
Austral Negrito (Lessonia rufa) [XC51571]
by Bobby Wilcox from Puente Barral, Saladillo, Buenos Aires, Argentina (song)
Subspecies
No subspecies.
Genus considered closely related to Knipolegus and allies on basis of external and internal morphology. Formerly treated as conspecific with Andean Negrito (Lessonia oreas).