Eastern coyotes differ from their western counterparts with a larger average size and various color phases, including blonde, red and black. Past interbreeding between wolves and coyotes may be responsible for the larger size and color variations in our eastern coyote. One reason for the discrepancy in size between eastern and western coyotes is that as coyotes moved east at the beginning to middle of the 20th century, they bred with red (Canis rufus) and eastern (Canis lycaon) wolves.* Studies into coyote genetics show wolf DNA present in eastern populations of coyotes (Beckoff, 1978; Parker, 1995).
Difference between Dog, Coyote and Fox. Dog is a member of the Canidae family. Dogs are can be of either the feral and pet variety. The coyote is popularly known as the American jackal. It is also called the prairie wolf. It belongs to the species of Canid. Fox is a popular name for many carnivorous mammal species. Coyote vs. Wolf Appearance. Because coyotes and wolves are both in the canine family, they can be hard to tell apart at a distance. However, these are very different animals with several distinguishing characteristics. Wolves are substantially larger and bulkier, weighing 80 to 150 pounds, whereas coyotes are a thin and sleek 15 to 50 pounds.