Northern Borneo. Considered by some authors to be a subspecies of Cinereous Bulbul (Hemixos cinereus). Considered by some authors to be a subspecies of Ashy Bulbul (Hemixos flavala).
 
Subspecies
No subspecies.
Considered by some authors to be a subspecies of Cinereous Bulbul (Hemixos cinereus).
Considered by some authors to be a subspecies of Ashy Bulbul (Hemixos flavala).