• [Wiki] http://en.wikipedia.org/wiki/Motacilla_aguimp.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Motacilla_flava.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [Nhla1990] Nhlane, M. E. D. (1990). Breeding biology of the African pied wagtail Motacilla aguimp in Blantyre, Malawi. Ostrich, 61:1--4. doi:10.1080/00306525.1990.9633929.
• [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.