• [Wiki] http://en.wikipedia.org/wiki/Thamnophilus_caerulescens.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=6153F5B7888EDE6E&sec=lifehistory.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [OnikWill1999] Oniki, Y. and Willi, E. O. (1999). Single nestling care and male abandoning in variable antshrikes Thamnophilus caerulescens, with notes on excess roadside clearing. Ornitologia Neotropical, 10:91–94.
• [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.