• [Wiki] http://en.wikipedia.org/wiki/Lagopus_leucura.
• [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=C53F49406DDCE5E7&sec=lifehistory.
• [AnAge] https://genomics.senescence.info/species/entry.php?species=Lagopus_leucura.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [MartRobb2020] Martin, K., Robb, L. A., Wilson, S., and Braun, C. E. (2020). White-tailed ptarmigan (Lagopus leucura), version 1.0. in birds of the world (p. g. rodewald, editor). cornell lab of ornithology, ithaca, ny, usa. https://birdsoftheworld.org/bow/species/whtpta1/cur/breeding. doi:10.2173/bow.whtpta1.01.
• [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.