Hitherto considered conspecific with D. ansorgei, but differs in its shorter, narrower-based bill (effect size for narrower bill −2.1, score 2); in male, yellow throat shading to yellow-tinged chestnut underparts vs pure yellow underparts or, in case of dimorphic graueri, all chestnut throat to belly (3); in female, much more neatly demarcated, more restricted and notably darker chestnut throat and upper breast, with clear yellow submoustachial (3). Proposed race lomaensis (Sierra Leone) is a synonym. Monotypic.
Sierra Leone (Loma Mts), SE Guinea (Macenta district), Liberia and SW Ivory Coast.
Food and feeding
Status and conservation
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