Aren’t the wolves that were re-introduced in other places non-native or different from earlier wolves?
No. The belief that the wolves reintroduced in the mid-1990s to Idaho and Yellowstone National Park from west-central Alberta and east-central British Columbia differed (being larger and more aggressive) from the wolves that originally occurred in the northern Rocky Mountain states is erroneous for several reasons. First, wolves from the Canadian and northern U.S. Rockies, interior British Columbia, Northwest Territories, and nearly all of Alaska are closely related and belong to a single subspecies known as Canis lupus occidentalis. This conclusion is based on the examination of historical and recent wolf specimens collected throughout North America. Those originating from the region described above have proven to be genetically and morphologically similar. Examples of this are seen in the wolves harvested during the 2009 hunting seasons in Montana and Idaho. Adults from Montana weighed an average of 97 lbs with a maximum of 117 lbs, whereas adults from Idaho weighed an average of 101
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