The Olive-brown Oriole occurs on Timor and nearby Rote and Semau. The male has an olive back and dark face; the female is browner with breast streaks.
The male has dark olive upperparts with darker streaks on the cap and mantle; the face is dark and the throat and breast grayish. The female is paler brown above with breast streaks.
It forages alone or in pairs from the middle levels of trees to the canopy. It uses remnant forest, secondary monsoon forest, open woodland, mangroves, and partly wooded farmland. Its diet is poorly documented.
An extinction-risk assessment has not been added yet.