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

References

• "Animal Life Histories Database" (On-line).
• 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
• Bernhard Grzimek (1990) Grzimek's Encyclopedia of Mammals. McGraw-Hill: New York.
• Hamilton, W.J. and J.O. Whitaker, Jr. 1979. Mammals of the Eastern United States. Cornell University Press, Ithaca, NY. pp. 48-51.
• Jackson, H.H.T. 1961. Mammals of Wisconsin. The University of Wisconsin Press, Madison, Wisconsin. pp. 42-55.
• 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
• Nowak, R.M. and J.L Paradiso. 1983. Walker's Mammals of the World. 4th edition. John Hopkins University Press, Baltimore, MD.
• Original description: Say, T., 1823.  in Account of an expedition from Pittsburgh to the Rocky Mountains: performed in the years 1819 and ?20, by order of the Hon. J.C. Calhoun, sec?y of war, under the command of Major Stephen H. Long : from the notes of Major Long, Mr. T. Say, and other gentlemen of the exploring party compiled by Edwin James, botanist and geologist for the expedition; in two vols., H.C. Carey and I. Lea, Philadelphia,1822-23. Vol 1, p 164.
• Please refer to the original article for references and additional information.
• Richard Weigl (2005) Longevity of Mammals in Captivity; from the Living Collections of the World. Kleine Senckenberg-Reihe 48: Stuttgart.
• Rue, L.L. 1967. Pictorial guide to the mammals of North America. Thomas Y. Crowell Company, New York. pp. 15-17.
• 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 DeeAnn M. Reeder, eds. 2005. Mammal Species of the World: A Taxonomic and Geographic Reference, 3rd ed., vols. 1 & 2. 2142
• 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