• [Wiki] http://en.wikipedia.org/wiki/Oxyura_jamaicensis.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Oxyura_jamaicensis.
• [EoL] http://eol.org/pages/1048999/details.
• [FranGilb1981] Frank, S., Gilbert, S., and Tomassoni, P. (1981). Rearing ruddy ducks at the National Zoological Park, Washington, D.C. Int. Zoo Yb., 21(1):97--101. doi:10.1111/j.1748-1090.1981.tb01958.x.
• [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.