Mantanani Island, Borneo.
Probably closest to O. magicus, the two being closely allied to the O. manadensis species-group (which see). Previously treated as conspecific with O. scops or O. sunia, but vocally distinct from both. Island population off N Luzon (calayensis), included with O. elegans, is sometimes placed with present species. Sulu form sibutuensis has been considered a race of O. manadensis. Tumindao population, described as form steerei, regarded as inseparable from sibutuensis. Racial allocation highly tentative, however, as no specimens known for many of islands listed. Four subspecies recognized.
Food and feeding
Status and conservation
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