- [Wiki]
http://en.wikipedia.org/wiki/Aquila_verreauxii.
- [avibase]
https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=14F13C32872CBA1C&sec=lifehistory.
- [Garg1972]
Gargett, V. (1972).
Observations at a black eagle nest in the Matopos, Rhodesia.
Ostrich, 43(2):77–108. doi:10.1080/00306525.1972.9632585.
- [KempKirw2020]
Kemp, A. C., Kirwan, G. M., and Boesman, P. F. D. (2020).
Verreaux's eagle (Aquila verreauxii), version 1.1. in birds of
the world (s. m. billerman and b. k. keeney, editors). cornell lab of
ornithology, ithaca, ny, usa. doi:10.2173/bow.vereag1.01.1.
- [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.