Người sói once ranged over almost all of North America north of Mexico City, except possibly parts of California. Extirpation of gray and red chó sói, sói populations began shortly after European settlement. In the United States the range, population and legal status of Người sói varies bởi state and region. Range lines are not depicted. Main prey for Người sói there are moose, deer, beaver, elk, bighorn con cừu, cừu and mountain goats.
Species 1 Common Names: gray wolf, haqihana (Arapaho), tasha (Caddo), maicoh (Navajo), lobo (Spanish) Latin Name: Canis lupus
Species 2 Common Name: red chó sói, sói Latin Name: Canis rufus