• [Wiki] http://en.wikipedia.org/wiki/Pyrrholaemus_sagittatus.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=A68B1787C5FEF4AB&sec=lifehistory.
• [Gard2002] Gardner, J. L. (2002). Breeding biology of the speckled warbler, Chthonicola sagittata. Australian Journal of Zoology, 50:169–181. doi:10.1071/ZO01076 .
• [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.