The grey wolf is one of approximately 35 species belonging to the family Canidae, which includes the coyote, jackal, fox, and the dog. This family is believed to have originated in North America 38 to 54 million years ago during the Eocene Epoch. Two species- and a varying number of subspecies- of wolves are recognized: the grey, or timber, wolf, once widely distributed in North America, Europe, and Asia; and the red wolf, which now occurs only in …
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…other species in various areas. There are active efforts to reintroduce wolves to national parks in the United States, although such efforts are controversial. Scientific Classification: The wolf belongs to the family Canada. The grey, of timber, wolf is classified as Canis lupus. The red wolf is classified as Canis rufu.BIBLIOGRAPHY World of Disney, "Never Cry Wolf ". 1988. Hipwell, Bill. "Aishihik Lake, Yukon ". The Toronto Star. February 19, 1994. Nye, Barry. "Timber wolf ". The Nation Geographic Society 1987.