Perhaps a member of the putative species-group centred on M. atricapilla (which see). Sometimes considered conspecific with M. atricapilla; has been treated as conspecific with M. vermiculatus (with races roraimae and napensis), but vocally distinct. Races tomlini, fuscus and thompsoni possibly inadequately differentiated to merit subspecific status and are not recognized in two recent treatments#R#R. Proposed races pettingilli and peteni included in cassini and nominate, respectively. Seven subspecies recognized.
Food and feeding
Status and conservation
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