
For the 2nd year in a row, there was not a single depredation on the large cattle ranch in the middle of our study area—we were not aware of even a single wolf that even stepped foot on the ranch last year! And last year was the 3rd year in a row where no wolves were killed on the ranch for killing calves.
The 7.5 mile fence in combination with Livestock Guardian Dogs has effectively ended what was a perpetual cycle of death for over two decades: wolves would kill calves almost every year, and then wolves would get killed for killing calves. Each year was rinse, wash, and repeat.
In some years, up to 5 calves were confirmed to have been killed by wolves (and likely more were killed by wolves that could not be confirmed), and up to 16 wolves were killed in a summer as a result (the equivalent of about 4 wolf packs in our area).
So the change over the past few years has been staggering, and illustrates how non-lethal approaches in the Great Lakes area can end long-standing conflicts, and in turn, benefit ranchers, their livestock, and wolves.
Fortunately, our project is in a perfect position to document the efficacy of the non-lethal solutions on this ranch because we are intensively studying wolves all around the ranch and have GPS-data from wolves to examine the efficacy of these non-lethal approaches.
If you value this kind of work, please donate at the link below. Your donations allow us to continue to study and document the efficacy of these non-lethal tools this year and into the future AND enables us to share our findings broadly here with everyone.
Donate here: crowdfund.umn.edu/campaigns/VWP2…
Notably, this non-lethal project was the result of a collaborative effort between our project, USDA Wildlife Services, and the rancher. And it was truly a team effort—without all of us helping in big ways, this project would never have happened.
Further, the non-lethal project received considerable support from a variety of groups— including the Minnesota Department of Agriculture, International Wildlife Coexistence Network, Summerlee Foundation, Humane World for Animals, Wildlife Services, and others—who made this effort possible.

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