• [Wiki] http://en.wikipedia.org/wiki/Catharus_ustulatus.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Catharus_ustulatus.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=E53FC25C090A6AD8&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.
• [Stan1913] Stanwood, C. J. (1913). The olive-backed thrush (Hylocichla ustulata swainsoni) at his summer home. The Wilson Bulletin, 25:118--137.