E. J. O. Hartert, 1895,
Aruwimi River DRCongo.
Hitherto considered conspecific with H. hartlaubi, but differs in its more prominent casque, half not quarter the length of the bill, markedly higher, with shallow but distinct frontal peak (3); red vs black top of bill and casque (2); spotted vs all grey-black wings (2); less prominent white tips on tail (both sexes) (1). Monotypic.
EC Congo and DRCongo E to SW South Sudan and W Uganda, and S to NW Angola (Cabinda).
Food and feeding
Status and conservation
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