Rio Grande do Sul, Brazil.
Formerly placed in monotypic Yetapa, on basis mainly of exaggerated tail and elongated hallux; but plumage pattern very similar to that of A. tricolor, with which it shares highly modified outer rectrices and numerous other derived features unique within the family. Monotypic.
S Paraguay (S from Presidente Hayes) and NE Argentina (E Formosa and Corrientes, rarely Chaco and Misiones; formerly S to Buenos Aires); no recent records from S Brazil and Uruguay.
Food and feeding
Status and conservation
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