• [Wiki] http://en.wikipedia.org/wiki/Turdus_olivaceus.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=3A7D7B077472314A&sec=lifehistory.
• [Bonn2004] Bonnevie, B. T. (2004). Song and breeding observations of suburban olive thrushes (Turdus olivaceus olivaceus) in Grahamstown, South Africa. Ostrich, 75(3):110–117.
• [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.