Wild Dogs, originally published in 1992, is a classic study of foxes, wolves, jackals, coyotes, and other naturally wild dogs. Humans continue to be fascinated with dogs, the first animals to be domesticated and their wild cousins. Wild Dogs details the comprehensive natural history of the nondomestic dog species. The book is intended as a general reference work for biologists, wildlife managers, and conservationists. Jennifer Sheldon, a research scientist at the Yellowstone Ecological Research Center in Bozeman, Montana has been studying coyotes in Yellowstone since 1989.