• [Wiki] http://en.wikipedia.org/wiki/Peucaea_carpalis.
• [ADW] http://animaldiversity.org/accounts/Aimophila_carpalis/.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=FC84F3014DBC0D26&sec=lifehistory.
• [AustRick1977] Austin, G. T. and Ricklefs, R. E. (1977). Growth and development of the rufous-winged sparrow (Aimophila carpalis). The Condor, 79:37--50.
• [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.