• [Wiki] http://en.wikipedia.org/wiki/Geokichla_gurneyi.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=45C55FDEE3D22D9A&sec=lifehistory.
• [EarlOatl1983] Earle, R. A. and Oatley, T. B. (1983). Populations, ecology and breeding of the orange thrush at two sites in eastern South Africa. Ostrich, 54(4):205–212. doi:10.1080/00306525.1983.9634473.
• [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.