M. S. Bertoni and A. W. Bertoni, 1901,
probably from near Puerto Bertoni on the Alto Paraná, Paraguay.
Thought to be closest to P. melanota. Sometimes treated as conspecific with latter, but morphology and vocalizations differ. Monotypic.
E Paraguay, extreme NE Argentina (Misiones) and S Brazil (Espírito Santo S to N Rio Grande do Sul).
Food and feeding
Status and conservation
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