Sumatran Bulbul occurs in the mountains of western Sumatra. Its species account records olive-brown upperparts and a white throat and breast.
The 1884 Sumatran-form description gives olive-brown back and wings, a deeper brown head, and brown ear-coverts with pale shafts. The throat and center of the breast are white, with white to pale-yellow lowerparts.
The current species account lists montane forest, secondary growth, and forest edges.
An extinction-risk assessment has not been added yet.