• [Wiki] http://en.wikipedia.org/wiki/Calidris_pusilla.
  • [avibase] https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=F35821AAC21FFF20&sec=lifehistory.
  • [HickGrat2020] Hicklin, P. and Gratto-Trevor, C. L. (2020). Semipalmated sandpiper (Calidris pusilla), version 1.0. in birds of the world (a. f. poole, editor). cornell lab of ornithology, ithaca, ny, usa. doi:10.2173/bow.semsan.01.
  • [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.
  • [Safr1975] Safriel, U. N. (1975). On the significance of clutch size in nidifugous birds. Ecology, 56(3):703--708. doi:10.2307/1364130.