Berlepsch and Stolzmann, 1894,
Vitoc, Junín, Peru.
Has been considered conspecific with S. magellanicus, differing mainly in habitat preference, but hybridizes in area of range overlap in NW Peru; recent genetic study recovered a closer relationship to S. spinescens#R. Monotypic.
E slope of Andes from E & SE Ecuador S to Peru and WC Bolivia.
Food and feeding
Status and conservation
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