• [Wiki] http://en.wikipedia.org/wiki/Centropus_toulou.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=6F7BCBE589CCCD2E&sec=lifehistory.
• [Frit1975] Frith, C. B. (1975). Field observations on Centropus toulou insularis on Aldabra Atoll. Ostrich, 46(3):251–257. doi:110.1080/00306525.1975.9639524.
• [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.