#R, Rio de Janeiro, Brazil.
Close to C. torquatus, and perhaps conspecific, but ranges apparently overlap in C Brazil (upper R Xingu drainage); moreover, differs in its olive vs slaty-olive head sides and upperparts (2); olive vs olive-grey crown (2); narrow olive vs broad grey flanks; paler upper mandible (ns); slightly shorter wing and tail (allow 1); and song phrase longer and with more whistles (1). Monotypic.
E Bolivia (E Santa Cruz), S Brazil (S Mato Grosso, S Goiás, S Maranhão, Minas Gerais and Espírito Santo S to NW Rio Grande do Sul), E Paraguay and NE Argentina (Misiones, NE Corrientes); recently found also in Austral Yungas of Bolivia (S Santa Cruz, Tarija) and Argentina (Salta)#R.
Food and feeding
Status and conservation
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