By appearances and behaviour it has much in common with the Knysna Turaco of South Africa, and Schalow's Turaco which replaces it on the plateau regions to the west of its range.
It is replaced in the eastern lowlands by Livingstone's Turaco, which is comparable in appearance and behaviour.
N. m. marungensis (Schalow, 1884) - Marungu Helmeted Guineafowl - south Congo Basin to western Angola and Zambia