H. Dean Cluff, retired, was a wildlife biologist for the Government of the Northwest Territories, Department of Environment and Climate Change, in Yellowknife, Northwest Territories, Canada. In his thirty-year career with the department, Cluff studied polar bears, grizzly bears, black bears, wolverine, caribou, muskox, moose, coyotes, and wolves. However, wolves were Cluff’s mainstay, and he studied them from 1995 to 2024 when he retired. Cluff has been involved in thirty publications concerning wolves. In retirement, he still continues to be involved in wolf and caribou studies in the north.