Study by Adrian Treves and other scientists published in the Journal of Mammalogy: The UW study investigated the deaths of 937 gray wolves from October 1979 to April 2012 — a period that ends before Wisconsin initiated hunting seasons for wolves. Of the 937 wolves that died and whose deaths were investigated, 431 wore radio collars. …
A new study proves more wolves have been subject to poaching than the DNR reported.
