Has on occasion been separated in monospecific genus Heterotrogon. Population in W half of Africa sometimes separated subspecifically as camerunense, and birds from Bioko occasionally further separated as francisci, but characters apparently not constant for either of these forms. Monotypic.
Mountains in SE Nigeria, NW Cameroon, Bioko, W Angola (Mt Moco); also Albertine Rift in E DRCongo, W Uganda, Rwanda and Burundi, and mountains in Kenya, Tanzania, NE Zambia, Malawi and N Mozambique (Mt Namuli).
Food and feeding
Status and conservation
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