Distribution. Endemic to the Rwenzori Mountains in W Uganda. Distribution is not believed to overlap with other duikers in the C. nigrifrons group as once thought; records of C. rubidus from Rwanda likely refer to the Black-fronted Duiker subspecies (C. maigrifrons kivuensis); this latter species is absent from the Rwenzoris. in Bovidae

Distribution. Endemic to the Rwenzori Mountains in W Uganda. Distribution is not believed to overlap with other duikers in the C. nigrifrons group as once thought; records of C. rubidus from Rwanda likely refer to the Black-fronted Duiker subspecies (C. maigrifrons kivuensis); this latter species is absent from the Rwenzoris.