Referencias

Animals, a visual encyclopedia. Smithsonian. 2012. Pp. 74-77.

World of animals. Book of predators. Imagine publishing, 2014. Pp. 10, 22, 32, 64

World of animals Magazine. Imagine publishing, 2014. Pp. 52, 55-58.

Enciclopedia del mundo animal. Parragon, 2013. Pp. 24, 25, 46, 47, 51, 61, 62.

Alderton, David. The encyclopedia of animals. Chartwell books, Inc., 2009. Pp. 113-125, 128, 130.

Goodall, Jane. Hope for Animals and Their World: How Endangered Species Are Being Rescued from the Brink. Grand Central Publishing, 2009.

Brakefiel, Tom. Big cats. Voyageur Press, 1993.

http://en.wikipedia.org/wiki/Felidae

http://animaldiversity.org/accounts/Felidae/

http://www.iucnredlist.org

http://www.felineconservation.org/