| Citation | Birding Adventure Philippines 2011 Bridled terns on an island called San Bernardino. http://www.birdingphilippines.com/tag/seabirds/ [Accessed 06/10/2017]. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 116333 |
| Language | English |
| Usage | not seen |
| Remarks | |
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