• [Wiki] http://en.wikipedia.org/wiki/Geospiza_scandens.
  • [EoL] http://eol.org/pages/1050330/details.
  • [Gran1981] Grant, P. R. (1981). Patterns of growth in darwin's finches. , ,. Proceedings of the Royal Society B: Biological Sciences, 212(1189):403–432. doi:10.1098/rspb.1981.0046.
  • [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.