Previously considered by some authors to be probably a race of T. major#R; recent work suggests that it is sister-species to T. tao#R. Formerly subdivided into two races, with NE birds treated as pernambucensis, but recent study shows the two to be indistinguishable, with notable individual variation#R. Monotypic.
E Brazil (Pernambuco S to Rio Grande do Sul and W to Mato Grosso do Sul) to SE Paraguay and extreme NE Argentina (Misiones).
Food and feeding
Status and conservation
Only subscribers are able to see the bibliography. Login or Subscribe to get access to a lot of extra features!