- [Wiki]
http://en.wikipedia.org/wiki/Protonotaria_citrea.
- [AnAge]
http://genomics.senescence.info/species/entry.php?species=Protonotaria_citrea.
- [avibase]
https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=4D08EE7E80D2E275&sec=lifehistory.
- [Kooy2010]
Kooijman, S. (2010).
Dynamic Energy Budget theory for metabolic organisation.
Cambridge Univ. Press, Cambridge.
- [PodlBlem2001]
Podlesak, D. W. and Blem, C. R. (2001).
Factors associated with growth of nestling prothonotary warblers.
The Wilson Bulletin, 113(3):263--272.
- [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.