Wild About Cats - Nice site about captive bred wild cats. They're the ones that raised Shaka and Zulu from the infamous Mountain Dew commericalsCougar Run - A fan site including pictures of many of the big cats, and also a little information about them.
Family Felidae - A discussion on the classification and characteristics of the Family Felidae by the Cyber Zoomobile.
Cat Family (Felidae) - Features videos, pictures and information about many felines.
Big Cats On-line - Introduction to the various species of cat living in the wild today.
Hornocker Wildlife Institute - A program of the Wildlife Conservation Society in Bozeman, Montana. Conservation and field research into large mammals. Includes several great cat research projects.
Cat Species - Taxonomic information from the Feline Conservation Center.
Taxonomic and Legal Status of Felidae - Contains information on the current and former classifications of members of the Family Felidae and also lists the common names.
Felidae - Taxonomy for cats with links to sites about extant species.
Christina's Big Cats of the World - A site dedicated to preservation of wild cats through education about them and the habitats they live in.
Cats, Plans for Perfection - National Geographic site has drawings, information, and photos of felines skulls, their muscle system, senses, coat, and behavior.
Great Cats of the World - Lots of pictures of your favorite big cats from the Bridgeport Nature Center to help educate people on issues effecting endangered species.
The Feline Family - Interesting facts and statistics on cats, from lions to the domestic cat.
Wild Cat Photographs - Photographs and commentary by Rico Leffanta of various wild cats including the ocelot, mountain lion, and jaguar.
Ocelots Index - Includes general information about ocelots (Leopardus pardalis), as well as specific information about their existence in the United States, with a focus on what can be done to help.
Wild Cats - Has reference information on many types of wild cats.
Wild Cats - Illustrated article by Vladimir Dinets about finding, observation, and photography of wild cats of the world.
International Society for Endangered Cats - Works for conservation of the smaller 28 species of wild cat -- field research, captive breeding and increased public awareness.
Big Cat Photo Gallery - Small collection of high quality images taken by international wildlife photographer Mark Kostich.
Wild Cat Fact Sheets - Species profiles for 37 species, including images and range maps, from the International Society for Endangered Cats Canada.