MSBIAS (2024). Pelecaniformes. Accessed at: https://www.marinespecies.org/msbias/aphia.php?p=taxdetails&id=2684 on 2024-09-19
The UK Marine Environmental Data and Information Network (2024). Marine Species of the British Isles and Adjacent Seas (MSBIAS): a checklist of species derived from the UNICORN and Marine Recorder applications. Pelecaniformes. Accessed at: https://marinespecies.org/msbias/aphia.php?p=taxdetails&id=2684 on 2024-09-19
basis of recordHarrison, P. (1985). Seabirds: an identification guide. Revised edition. Christopher Helm Publisher. A & C Black: London, UK. ISBN 0-7136-3510-X. 448 pp. (look up in IMIS) [details]