• [Wiki] http://en.wikipedia.org/wiki/Euryceros_prevostii.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=E5EC5D3896B9041B&sec=lifehistory.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [MarcThor2000] Marca, G. and Thorstrom, R. (2000). Breeding biology, diet and vocalization of the helmet vanga, Euryceros prevostii, on the Masoala Peninsula, Madagascar. Ostrich, 71(3-4):400–403. doi:10.1080/00306525.2000.9639840.
• [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.