• [Wiki] http://en.wikipedia.org/wiki/Ceryle_rudis.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=8205077FA2E98715&sec=lifehistory.
• [AnAge] https://genomics.senescence.info/species/entry.php?species=Ceryle_rudis.
• [Dout1976] Douthwaite, R. J. (1976). Fishing techniques and foods of the pied kingfisher on Lake Victoria in Uganda. Ostrich, 47(4):153–160. doi:10.1080/00306525.1976.9639555.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [PrinPres1991] Prinzinger, R., A.Preßmar, and Schleucher, E. (1991). Body temperature in birds. Comp. Biochem. Physiol., 99A(4):499--506. doi:10.1016/0300-9629(91)90122-S.