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Letters to the Editor

Wisconsin wolf count analysis


For the eighth year, I reviewed in detail the tracking data from this year's wolf count. The wolf count is conducted each year from December through mid-April, when the wolf population is at its lowest point. The count consists of data from tracking collars and on-the-ground counts by volunteers and DNR personnel. Public reports are also used.

This year's minimum overwinter count is 925 to 952, an increase of 6.8 percent over the previous year's count. The pack count increased to 232. Find wolf information by typing "wolf" into the subject line on the DNR's face page.

Wolf counting was done this year in 1616 unites designated by the DNR. Three were not tracked, one used only scent posts, and 62 were tracked at less than the DNR's minimum standard of 60 miles and at least three tracking surveys. Fifteen tracking units created previously were "deactivated" and not used this year. This means 66 of this year's units were not tracked adequately, although some may have had information from tracking collars.

In addition to the 40 percent of units not tracked to standards, about ⅓ or more of the state is not tracked at all. Only two public reports from that portion of the state were used as part of the count, in Outagamie and Grant counties. Twenty percent less tracking miles were completed this year as compared to last year.

Of the units tracked, 132 had tracking done by DNR personnel, and 94 used volunteers. There was some overlap between DNR personnel and volunteers in some units.

While Wisconsin's Wolf Count has been called the "gold standard" of actual counts, it differs from other states that use ground information and estimation techniques to create a minimum population estimate. Minnesota (15 percent) and Idaho (12.5 percent) add lone wolf rates. Wisconsin only counted 28.

Why does the wolf count matter? This minimum count is used to apply management standards which guide responses to wolf attacks and harassments and to design the wolf harvest.

Therefore, having an accurate assessment of wolf numbers in Wisconsin is essential to acceptable and believable wolf management.

To create a true wolf population estimate, I suggest adding a reasonable estimate of lone wolves. We need to adjust inadequately tracked and untracked areas of the state using information from known areas that are tracked adequately and are similar. These adjustments would increase confidence in Wisconsin's wolf management program, and result in more appropriate management.

Laurie Groskopf


Sarah Nigbor

Sarah J. Nigbor serves as a regional editor for RiverTown Multimedia, a position she began in April 2017. She joined RiverTown Multimedia in October 2013 as a news reporter for the New Richmond News, before being appointed editor of the Pierce County Herald in February 2015. She graduated from the University of Wisconsin-River Falls with a Bachelor of Fine Arts in Spanish and French in 2001. She completed a minor in journalism in 2004. 

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