• [Wiki] http://en.wikipedia.org/wiki/Molothrus_ater.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=1E1AB415D083AAD4&sec=lifehistory.
• [AnAge] https://genomics.senescence.info/species/entry.php?species=Molothrus_ater.
• [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.
• [Weat1989] Weatherhead, P. J. (1989). Sex ratios, host-specific reproductive success, and impact of brown-headed cowbirds. The Auk, 106(3):358--366.