• [Wiki] http://en.wikipedia.org/wiki/Herpetotheres_cachinnans.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=24C90C1A39BB96D5&sec=lifehistory.
• [ADW] https://animaldiversity.org/accounts/Herpetotheres_cachinnans/.
• [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.
• [SpecMesq2008] Specht, G., Mesquita, E. P., and Santos, F. A. (2008). Breeding biology of laughing falcon Herpetotheres cachinnans (Linnaeus, 1758) (Falconidae) in southeastern Brazil. Revista Brasileira de Ornitologia, 16(2):155--159.