ダルピリ島 (バブヤン諸島)
↑ NSCBの統計データ
↑ D. ALLEN, C. ESPANOLA, G. BROAD, C. OLIVEROS and J. C. T. GONZALEZ: New bird records for the Babuyan islands, Philippines, including two first records for the Philippines. FORKTAIL 22 (2006): 57–70 Archived 2011年9月24日, at the Wayback Machine.
↑ CROCODILE SURVEYS ON DALUPIRI AND FUGA (PDF; 499 kB) Autoren: Carl Oliveros, Samuel Telan and Merlijn van Weerd Publikation der Isla Biodiversity Conservation, Inc. und der Mabuwaya Foundation, Inc., Juli 2006
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