Huajango, Río Marañón, Amazonas, Peru.
Often considered a race of S. gujanensis (which see), but differs in plumage; also differs vocally in spiky note shape, longest loud notes (score 3), and highest maximum frequencies (score 2)#R. Monotypic.
Marañón Valley in N Peru (N Cajamarca, NW Amazonas) and extreme S Ecuador (S Zamora-Chinchipe).
Food and feeding
Status and conservation
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