HKRMS (2024). Podicipediformes. Accessed at: https://marinespecies.org/hkrms/aphia.php?p=taxdetails&id=2685 on 2024-06-26
Astudillo, J. C.; Williams, G. A.; Leung, K. M. Y.; Cannicci, S.; Yasuhara, M.; Yau, C.; Qiu, J-W.; Ang, P. O.; To, A. W. L.; Shea, S. K. H. (Eds.) (2024). Hong Kong Register of Marine Species. Podicipediformes. Accessed at: https://marinespecies.org/hkrms/aphia.php?p=taxdetails&id=2685 on 2024-06-26
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]
Present Inaccurate Introduced: alien Containing type locality