Estação Cientifíca Ferreira Penna, 1°44.176’ S, 51°21.162’ W, at approximately 200 m, Caxiuanã, Melgaço, Pará, Brazil.
A member of the M. ruficollis clade. For more than a century, specimens of present species were erroneously labelled as M. gilvicollis#R#R. First detected as a separate species when its distinctive voice was noted in the field as clearly different from that of all its congeners; museum specimens confirmed that it differs also, albeit somewhat subtly, in several morphological features. Isolated population in Atlantic Forest of E Brazil shows subtle plumage variations and may represent distinct race, but more data required. Monotypic.
Locally in E & S Amazonian Brazil (Pará and W Maranhão S to Rondônia) and NE Bolivia (N Santa Cruz); also E Brazil, with recent sightings in Espírito Santo, and historical specimens from both this state and S Bahia.
Food and feeding
Status and conservation
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