- [Wiki]
http://en.wikipedia.org/wiki/Enicognathus_ferrugineus.
- [avibase]
https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=7A8B7C274883A485&sec=lifehistory.
- [Buch1983]
Bucher, T. L. (1983).
Parrot eggs, embryos, and nestlings: Patterns and energetics of
growth and development.
Physiological Zoology, 56(3):465–483. doi:10.1086/physzool.56.3.30152612.
- [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.