The buff-breasted earthcreeper (Upucerthia validirostris ) is a species of bird in the family Furnariidae. It is found throughout the Puna grassland and mountains of northwestern Argentina.
Its natural habitats are subtropical or tropical high-altitude shrubland and subtropical or tropical high-altitude grassland.It has been lumped together with the plain-breasted earthcreeper based on song, continuous song, duet, and call.
