• [Wiki] http://en.wikipedia.org/wiki/Tympanuchus_phasianellus.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=861CBBDA948F5C13&sec=lifehistory.
• [AnAge] urlhttps://genomics.senescence.info/species/entry.php?species=Tympanuchus_phasianellus.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [McEwKnap1969] McEwen, L. C., Knapp, D. B., and Hilliard, E. A. (1969). Propagation of prairie grouse in captivity. The Journal of Wildlife Management, 33(2):276--283. doi:10.2307/3799827.
• [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.