Cuiabá-Sabará, Minas Gerais, south-east Brazil.
Systematic position long disputed; owing to unusual tarsal scutellation, has variously been placed in Thamnophilidae, Troglodytidae and Polioptilidae, but syrinx and sternum are typical of Rhinocryptidae; recent morphological analyses#R and genetic findings#R both corroborate placement in present family. Monotypic.
SE Brazil from SE Minas Gerais and W Espírito Santo S to N & NE Rio Grande do Sul#R, and adjacent NE Argentina (Misiones); probably also SE Paraguay.
Food and feeding
Status and conservation
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