• [Wiki] http://en.wikipedia.org/wiki/Tersina_viridis.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=EB9B653A49B15F67&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.
• [Scha1953] Schaefer, E. (1953). Contribution to the life history of the swallow-tanager. The Auk, 70(4):403--460. doi:10.1642/AUK-15-226.1.