• [Wiki] http://en.wikipedia.org/wiki/Pelecanus_occidentalis.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Pelecanus_occidentalis.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=F59AB6B357BF97D8&sec=lifehistory.
• [EggeJodi2008] Eggert, L. M. F. and Jodice, P. G. R. (2008). Growth of brown pelican nestlings exposed to sublethal levels of soft tick infestation. The Condor, 110:134--142.
• [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.