$ 0 0 Series: Civic Science In WisconsinSeries: Wisconsin's WolvesAs Wolves Proliferate In Wisconsin, Volunteers Track Range And NumbersElizabeth DohmsWisconsin Public RadioJan. 2, 2019 | 11 a.m.Volunteers are an integral part of helping the Wisconsin Department of Natural Resources keep track of the state's gray wolf population, which has grown in size and range over the past several decades.