• [Wiki] http://en.wikipedia.org/wiki/Larus_glaucescens.
• [AnAge] https://genomics.senescence.info/species/entry.php?species=Larus_glaucescens.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=E826E9F3FBAED223&sec=lifehistory.
• [Harr1964] Harris, M. P. (1964). Aspects of the breeding biology of the gulls Larus argentatus, L. fuscus and L. marinus. Ibis, 106:432--456. doi:10.1111/j.1474-919X.1964.tb03725.x .
• [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.