Animal Diversity Web. 2006. University of Michigan Museum of Zoology. 16 Apr. 2007 <http://animaldiversity.ummz.umich.edu/site/accounts/classification/Panthera%20onca>.

Broorer, Michael. Wild Cats. New York: Grosset & Dunlap, 1970. 126-133.

Centro Nacional de Pesquisas para Conservacao dos Predadores Naturais. 2007. Ministerio do Meio Ambiente. 16 Apr. 2007 <www.ibama.gov.br/cenap/>.

Jaguar. 2006. Bigcat Rescue. 15 Apr. 2007 <http://www.bigcatrescue.org/jaguar.htm>.

Jaguar. 2007. The Big Zoo. 15 Apr. 2007 <http://www.thebigzoo.com/Animals/Jaguar.asp>.

"Jaguar (Panthera onca)." 2005. Biodivrsidad. 15 Apr. 2007 <web.minambiente.gov.co/.../jaguar.htm>.

Kingdom Animalia. 2006. WPSQ Bayside. 16 Apr. 2007 <http://www.users.bigpond.com/wildlifebb/wildlife/tree/a/n/Animalia.html>.

Leyhausen, Paul. Cat Behavior. New York: Garland STPM P, 1979.

"Mexico Program." Wildlife Without Borders. 6 Apr. 2007. U.S. Fish & Wildlife Service. 15 Apr. 2007 <www.fws.gov/international/rfps/Mexicohow.htm>.

Muller's Group. 2006. University of California-Berkley. 15 Apr. 2007 <muller.lbl.gov/.../Image40.html>.

Nowak, Ronald M. Walker's Mammals of the World. 5th ed. Vol. 2. Baltimore: Johns Hopkins UP, 1991. 1214-1215.

"Onca-Pintada." Animais: Mamiferos. 1997. Zoologico de Sao Paulo. 15 Apr. 2007 < www.zoologico.sp.gov.br/mamiferos/oncapintada.htm>.

"Onca Pintada." 2006. 16 Apr. 2007 <www.cdpara.pa.gov.br/onca.php>.

"Onca Pintada." 2005. Ameacado de Extincao. 15 Apr. 2007 <http://www.supera.ribeiraopreto.sp.gov.br/turismo/animais/i71oncapintada.htm>.

Perry, R. The World of the Jaguar. New York: Taplinger Publishing Company, 1970.

Reid, Fiona A. A Field Guide to the Mammals of Central America and Southeast Mexico. New York: Oxford UP, 1997. 274-275.

Soberania National Park. 2007. National Protected Areas and Wildlife Managemen. 14 Apr. 2007 <www.nps.gov/centralamerica/panama/op-hours.shtml>.

"Species Profile: Jaguar." 2007. U.S. Fish & Wildlife Service. 15 Apr. 2007 <http://ecos.fws.gov/speciesProfile/SpeciesReport.do?spcode=A040>.

"Yaguarete." Especies argentinas en CITES. 2007. 14 Apr. 2007 <www2.medioambiente.gov.ar/.../yaguarete.htm>.