Traditionally considered to belong to species-group centred on O. bakkamoena (which see). Until recently considered conspecific with O. megalotis and O. nigrorum#R, but differs from former on account of lack of scapular line (2), lack of feathering covering the upper foot (2), much smaller feet (3); and from latter on account of larger size (male wing 158.5 mm, range 152–166 mm, vs 134.7 mm, range 132–139 mm) (at least 2), brown vs white underparts (3), brown vs tawny-rufous crown and upper facial disc (2–3). Birds on Bohol have been separated as race boholensis, but are doubtfully distinct. Monotypic.
Samar, Biliran, Leyte, Bohol, Mindanao and Basilan (EC & S Philippines).
Food and feeding
Status and conservation
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