• [Wiki] http://en.wikipedia.org/wiki/Cathartes_aura.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Cathartes_aura.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=36B3872DAFE1EC1C&sec=lifehistory.
• [ColeFras1989] Coleman, J. S. and Fraser, J. D. (1989). Age estimation and growth of black and turkey vultures (estimativos de la edad y el crecimiento de coragyps atratus y cathartes aura). Journal of Field Ornithology, 60(2):197--208.
• [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.