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

References

• 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
• Brant, S. 2002. "Gray Fox" (On-line). Accessed March 29, 2009 at http://www.blueplanetbiomes.org/grey_fox.htm.
• Campbell, C. 2006. "Urocyon cinereoargenteus - Grey fox" (On-line). World of the Wolf. Accessed March 29, 2009 at http://www.naturalworlds.org/wolf/canids/Urocyon_cinereoargenteus.htm.
• Corbet, G.B. & J.E. Hill. 1991. A world list of mammalian species. Oxford University, London, England. 243 p..
• Davis, W., D. Schmidly. 1994. "The Mammals of Texas - Online edition" (On-line). Common Gray Fox. Accessed March 29, 2009 at http://www.nsrl.ttu.edu/tmot1/uroccine.htm.
• Fritzell, E., K. Haroldson. 1982. Urocyon cinereoargenteus. Mammalian Species, 189: 1-8.
• Goodwin, G.C.. 1946. Mammals of Costa Rica. Bulletin of The American Museum of Natural History 87(5): 271-473
• Hall, E.R..1981. Mammals of North America. Vols. 1 and 2. John Wiley, New York. 1175 p.
• Janzen, D.H. 1983. Canis latrans. Pp. 456-457, In: D.H. Janzen (ed.). Costa Rican Natural History. University of Chicago Press. Chicago.
• M. McKinnerney, 1977. Carrion communities in the northern Chihuahuan Desert. M.S. thesis. University of Texas-El Paso, Texas; and 1978, Carrion communities in the northern Chihuahuan Desert. Southw. Nat. 23:563-576, from thesis and p. 571.
• 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. 1991. Walker's Mammals of the World. Fifth Edition. The John Hopkins University. Baltimore. 1362 p.
• Original description: "Schreber, J.C.D., 1775.  in Schreber's Die Säugthiere in Abbildungen nach der Natur mit Beschreibungen, Wolfgang Walther, Erlangen, 7 volumes, 1774-1846; 2(13):pl. 92[1775]; text: 3(21):361[1776]."
• P. G. Howes, The Giant Cactus Forest and Its World: A Brief Biology of the Giant Cactus Forest of Our American Southwest (Duell, Sloan, and Pearce, New York; Little, Brown, Boston; 1954), from pp. 222-239, from p. 227.
• Postanowicz, R. 2008. "Lioncrusher's Domain" (On-line). Grey Fox. Accessed March 29, 2009 at http://www.lioncrusher.com/animal.asp?animal=18.
• Quinn, P. 2006. "Illinois Department of Natural Resources" (On-line). Accessed March 29, 2009 at http://www.dnr.state.il.us/orc/wildlife/furbearers/gray_fox.htm.
• Reid, F.. 1997. A FIELD GUIDE TO THE MAMMALS OF CENTRAL AMERICA & SOUTHEAST MEXICO. Oxford University Press, New York. 334 p.
• Richard Weigl (2005) Longevity of Mammals in Captivity; from the Living Collections of the World. Kleine Senckenberg-Reihe 48: Stuttgart.
• Rodríguez, J. & F. Chinchilla. 1996. Lista de Mamíferos de Costa Rica. Rev. Biol. Trop. 44(2): 877-890.
• Southwest Wildlife. 2007. "Southwest Wildlife" (On-line). The Gray Fox. Accessed March 29, 2009 at http://southwestwildlife.org/pdf/foxindepth.pdf.
• Timm, R., D. E. Wilson, B.Clauson, R. LaVal & C. Vaughan. 1989. Mammals of the La Selva-Braulio Carrillo complex, Costa Rica. Fish and Wildlife Service, U.S.A.. North American Fauna 75. 162 p
• Universidad de Costa Rica. s.f.. Catálogo de Mamíferos. Museo de Zoología, Escuela de Biología, Universidad de Costa Rica. s.d..
• Wilson, D.E. & D.M. Reeder (eds.). 1993. Mammals Species of the World: a taxonomic and geographic reference. Second Edition. Smithsonian Institution Press, Washington. 1.206 p.
• Wilson, D.E. 1983. Checklist of Mammals. Pp. 443-448, In: D.H. Janzen (ed.). Costa Rican Natural History. University of Chicago Press. Chicago.
• 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