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  1. James Eaton

    Oriental White-eye? Sarawak, Malaysian Borneo

    The orbital ring feature is more of a Sundiac taxa feature, as the northerly races have a slightly narrower orbital. I wrote this in the Indonesian Archipelago field guide: Swinhoe’s White-eye overlaps at lower elevations; Hume’s best told by (1) darker ‘grey-vested’ appearance with wide and...
  2. James Eaton

    Oriental White-eye? Sarawak, Malaysian Borneo

    Narrow orbital ring (especially above eye), and dull olive-green upperparts = Hume's White-eye. Swinhoe's would have a much broader orbital ring + show a yellower supraloral stripe. James
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