Every spring the Minnesota DNR runs its annual public service campaign: if you find a fawn alone in the woods, leave it there. It is not abandoned. Its mother will return.
The agency spends real resources reminding Minnesotans that well-meaning interference kills more fawns than it saves.
What the DNR does not tell you is that its own management policies are doing far more damage to the next generation of deer than any well-meaning hiker ever could.
Across the DNR-recognized 30,000 square miles of Minnesota wolf range, wolves kill an estimated 27,000 to 45,000 deer fawns every year.
This is not a hunting organization’s estimate or a political talking point.
It is the product of applying thirty-year-old DNR-cited science — Kunkel and Mech’s 1994 study of wolf and bear predation on radio-collared fawns in the Superior National Forest — to the DNR’s own current deer population data. The math is straightforward. The implications are not comfortable.
What makes this inexcusable is the agency’s own behavior with its own research.
The DNR’s deer population model — the model that sets every antlerless permit quota in every deer permit area in Minnesota — cites the Kunkel and Mech study in its methods section. Then it extracts nothing from it. No wolf-specific fawn mortality rate.
No link between fawn survival and wolf population size. No geographic adjustment for the fact that the northeast zone — the lowest-productivity deer range in the state, at 1.55 fawns per adult doe — is simultaneously the highest wolf-density zone in the state.
The model simply uses a generic fawn survival range drawn from studies across six states and treats every fawn in Minnesota as equally likely to reach autumn.
They are not.
Not in wolf range. And the DNR has known it for thirty years.
Deer Modeling Unit 11 has declined 46 percent in five years. Unit 9 has declined 42 percent.
The DNR projects both will recover during mild winters.
They will not — because the fawns the model assumes are reaching November are being killed in June, at rates the model does not see and has never been designed to see.
The agency tells the public to protect fawns. It should start by building a deer management model that counts the ones wolves are killing.
Randall Tlachac
Pine County
Former Member, MN DNR Wildlife Oversight Committee and Budgetary Oversight Committee