• [Wiki] http://en.wikipedia.org/wiki/Buteo_rufofuscus.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=220318453A72CAD8&sec=lifehistory.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [Lend1979] Lendrum, A. L. (1979). The augur buzzard in the Matopos, Rhodesia. Ostrich, 50(4):203–214. doi:10.1080/00306525.1979.9634115.
• [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.