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| Kingdom Animalia |
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Eudynamys scolopaceus frater McGregor, 1904 -- valid |
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Macropygia tenuirostris phaea McGregor, 1904 -- valid |
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Otus calayensis McGregor, 1904 -- invalid |
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Otus cuyensis McGregor, 1904 -- invalid |
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Otus elegans calayensis McGregor, 1904 -- valid |
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Otus mantananensis cuyensis McGregor, 1904 -- valid |
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Pachycephala philippinensis fallax (McGregor, 1904) -- valid |
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Pericrocotus speciosus novus McGregor, 1904 -- valid |
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Turnix worcesteri McGregor, 1904 -- valid -- Worcester's Buttonquail |
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Zosterops nigrorum richmondi McGregor, 1904 -- valid |
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