Formerly included in genus Archiplanus. A comprehensive molecular phylogeny#R recovered present species as sister to all other Cacicus plus those formerly in Clypicterus and Ocyalus; genus Procacicus was erected#R in recognition of the species’ unique position, but monophyly of Cacicus is not threatened by its inclusion therein, while morphological and other differences from the remaining caciques are only weakly expressed#R. Monotypic.
SW Venezuela (Táchira, Apure) S through E Colombia (Meta), E Ecuador and E Peru, Brazil (S of Amazon E to Ceará, Pernambuco and W Bahia; perhaps locally N of R Amazon on R Branco, in Roraima) S to C & E Bolivia, Chaco of Paraguay, N & E Argentina (S to Santiago del Estero, Santa Fe and Buenos Aires) and W Uruguay (locally along R Uruguay).
Food and feeding
Status and conservation
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