The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

• 1. IUCN Red List (November, 2008) http://www.iucnredlist.org
• 2. Macdonald, D. (2001) The New Encyclopedia of Mammals. Oxford University Press, Oxford.
• 3. Culik, B.M. (2002) Review on Small Cetaceans: Distribution, Migration and Threats. UNEP/CMS Secretariat, Bonn, Germany. Available at www.cms.int/reports/small_cetaceans/index.htm
• 4. MarineBio.org (April, 2005) http://marinebio.org/species.asp?id=336
• 5. CITES (April, 2005) http://www.cites.org
• 6. CMS (April, 2005) http://www.cms.int
• 7. Berne Convention (April, 2005) http://www.coe.int/t/dg4/cultureheritage/conventions/bern/default_en.asp
• 8. Heide-Jørgensen, M.P. (2008) Pers. Comm.
• 9. Cetaceans of the World (May, 2005) http://www.sci.tamucc.edu/tmmsn/29Species/MoreSpec/narwhal.html
• Banks, R. C., R. W. McDiarmid, A. L. Gardner, and W. C. Starnes. 2003. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada
• Banks, R. C., R. W. McDiarmid, and A. L. Gardner. 1987. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada. Resource Publication, no. 166. 79
• IUCN (2008) Cetacean update of the 2008 IUCN Red List of Threatened Species.
• Klinowska, M. 1991. Dolphins, Porpoises and Whales. The IUCN Red Data Book. Gland, Switzerland: IUCN.
• Linda Geddes. 2005. What's the point of the narwhal's tusk?. New Scientist. 188(2531/2532):
• M. J. Dunbar, Arctic and subarctic marine ecology: immediate problems, Arctic 7:213-228, from p. 223 (1954).
• M. S. W. Bradstreet and W. E. Cross, Trophic relationships at High Arctic ice edges, Arctic 3(1)5:1-12, from p. 9 (1982).
• MEDIN (2011). UK checklist of marine species derived from the applications Marine Recorder and UNICORN, version 1.0.  
• Margaret Klinowska (1991) Dolphins, Porpoises and Whales. The IUCN Red Data Book. IUCN: Gland, Switzerland.
• Mead, James G., and Robert L. Brownell, Jr. / Wilson, Don E., and DeeAnn M. Reeder, eds. 2005. Order Cetacea. Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., vol. 1. 723-743
• Minasian, S. 1986. The World's Whales. New York: Academic Press.
• Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 16, 2011 at http://animaldiversity.org. http://www.animaldiversity.org
• Original description: Linnaeus, C., 1758.  Systema Naturae per regna tria naturae, secundum classis, ordines, genera, species cum characteribus, differentiis, synonymis, locis. Tenth Edition, Laurentii Salvii, Stockholm, 1:75, 824 pp.
• Perrin, W. (2011). Monodon monoceros Linnaeus, 1758. In: Perrin, W.F. World Cetacea Database. Accessed through: Perrin, W.F. World Cetacea Database at http://www.marinespecies.org/cetacea/aphia.php?p=taxdetails&id=137116 on 2012-05-22
• Reeves, R., S. Tracey. 1980. *Monodon monoceros*. Mammalian Species, 127: 1-7.
• Reeves, Randall R., and Sharon Tracy. 1980. Monodon monoceros. Mammalian Species, no. 127. 1-7
• Rice, Dale W. 1998. Marine Mammals of the World: Systematics and Distribution. Special Publications of the Society for Marine Mammals, no. 4. ix + 231
• UNESCO-IOC Register of Marine Organisms
• Wilson, Don E., and DeeAnn M. Reeder, eds. 1993. Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing. xviii + 1207
• Wilson, Don E., and F. Russell Cole. 2000. Common Names of Mammals of the World. xiv + 204
• Wilson, Don E., and Sue Ruff, eds. 1999. The Smithsonian Book of North American Mammals. xxv + 750
• van der Land, J. (2001). Tetrapoda, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 375-376