E. J. O. Hartert, 1905,
Cabeça de Ladrões, Benguela, Angola.
Hitherto considered conspecific with D. concreta (which see). Race kungwensis has been thought perhaps to represent a separate species, based mainly on blue vs green eye-wattles and paler yellow underparts of male. Proposed races kumbaensis (SE Nigeria and SW Cameroon), harterti (Cameroon) and silvae (Uganda and Kenya) included in graueri, but significant genetic structure in limited samples suggests that reinstatement of some taxa, even at species level, may be warranted in due course#R; form canzelae (Angola) merged with nominate. Black-breasted morph of nominate suspected of being a hybrid with D. chalybea. Three subspecies recognized.
Food and feeding
Status and conservation
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