Biodidac: Canid Skull: Diagram of the skull of a canid.
Canid Specialist Group: Part of the IUCN's Species Survival Commission, dedicated to co-ordinating and conducting research and conservation activities worldwide to conserve endangered canid species. Includes accounts of the natural history of each of the 35 species of wild canids.
Canidae: Family overview and species accounts from the Animal Diversity Web.
Family Canidae: Overview and phylogeny of the 35 species of this family.
IUCN/SSC Canid Specialist Group Publications: Conservation action plans, papers, and Canid News, a journal with articles relevant to the biology and conservation of canid species.
Wolves, Coyotes and Dogs: Including the dire wolf, as found in the U.S. Midwest 16,000 years ago, from the Illinois State Museum.