• [Wiki] http://en.wikipedia.org/wiki/Sylvia_atricapilla.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Sylvia_atricapilla.
• [BertQuer1990] Berthold, P., Querner, U., and Schlenker, R. (1990). Die Mönchsgrasmücke Sylvia atricapilla, volume 603 of Die Neue Brehm Bücherei. A. Ziemsen Verlag, Wittenberg Lutherstadt.
• [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.