Breeds western Bolivia, western Paraguay and eastern Argentina (Salta south to northern Río Negro); distribution poorly known, apparently patchy in north of range. Non-breeding east to southern and south-eastern Brazil.
 
Population
Estimated population is unknown (2010).
White-banded Mockingbird (Mimus triurus) [XC22301]
by Fernando Jacobs from near Dunas, \u00e1rea de prote\u00e7\u00e3o ambiental, Las Ac\u00e1cias - Pelotas, Rio Grande do Sul, Brazil (call)
White-banded Mockingbird (Mimus triurus) [XC149102]
by GABRIEL LEITE from Lomas de Arena, Santa Cruz, Bolivia (call)
Subspecies
No subspecies.
Thought most closely related to, and perhaps forming a superspecies with, Brown-backed Mockingbird (Mimus dorsalis).