- [Wiki]
http://en.wikipedia.org/wiki/Milvus_milvus.
- [AnAge]
http://genomics.senescence.info/species/entry.php?species=Milvus_milvus.
- [avibase]
https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=C1C255AA01C58664&sec=lifehistory.
- [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.
- [VeigHira1990]
Veiga, J. P. and Hiraldo, F. (1990).
Food habits and the survival and growth of nestlings in two sympatric
kites (Milvus milvus and Milvus migrans).
Holarctic Ecology, 13(1):62--71.