• [Wiki] http://en.wikipedia.org/wiki/Anthus_pratensis.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Anthus_pratensis.
• [Hotk1990] Hötker, H. (1990). Der Wiesenpieper Anthus pratensis, volume 595 of Die Neue Brehm Bücherei. A. Ziemsen Verlag, Wittenberg Lutherstadt.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [Oost2016] Oosten, H. H. v. (2016). Comparative breeding biology of three insectivorous songbirds in dutch dune grasslands. Ardea, 104(3):199--212. doi:10.5253/arde.v104i3.a2.
• [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.