Phelps, Sr and Phelps, Jr, 1946,
Cerro Paraque, 1450 m, Territorio Amazonas, Venezuela.
Previously regarded as closest to, and possibly conspecific with, M. cardonai, but recent phylogenetic studies suggest that latter may be more closely related to race maguirei (and perhaps also duidae) of M. castaneocapilla, whereas present species is sister to both M. cardonai and M. castaneocapilla#R#R. Monotypic.
SC Venezuela: Cerros Sipapo (Paraque), Guanay and Yaví, in NW Amazonas.
Food and feeding
Status and conservation
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