• [Wiki] http://en.wikipedia.org/wiki/Monodon_monoceros.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Monodon_monoceros.
• [ADW] http://animaldiversity.org/accounts/Monodon_monoceros/.
• [GardHeid2007] Garde, E., Heide-Jorgensen, M. P., Hansen, S. H., Nachman, G., and Forchhammer, M. C. (2007). Age-specific growth and remarkable longevity in narwhals (Monodon monoceros) from West Greenland as estimated by aspartic acid racemization. J. Mammal., 88:49--58.
• [HeidNiel2014] Heide-Jorgensen, M. P., Nielsen, N. H., Hansen, R. G., and Blackwell, S. B. (2014). Stomach temperature of narwhals (Monodon monoceros) during feeding events. Animal Biotelemetry, 2:9.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.