2017 Wolf Report shows healthy population and positive trends

WYOMING – An annual wolf report released today by the Game and Fish Department show the population remains healthy and exceeds established criteria for species recovery for the 16thstraight year.

According to the 2017 Annual Wyoming Gray Wolf Monitoring and Management Report, the total minimum population in Wyoming was at least 347 wolves as of December 31, 2017.

Specifically, the count shows at least 238 wolves living outside of Yellowstone National Park and the Wind River Reservation. The population count for Yellowstone National Park is at least 97 and at least 12 for the Wind River Reservation.

Known wolfpacks statewide. (WGFD)

This latest report shows a 16 percent decline of the gray wolf population outside of Yellowstone National Park and the Wind River Reservation between 2016 and 2017. This is moving towards established population objectives outlined in the Wyoming Gray Wolf Management Plan. Since the State of Wyoming has exercised management authority, wolf numbers went from 285 at the end of 2016, to 238 at the end of 2017.

Dan Thompson, large carnivore section supervisor for WGFD, said, “After having management of wolves returned to Wyoming in April of 2017, we made a strong commitment to ensure we would be responsive and responsible managers. Part of that is providing an accurate population estimate possible and we have that now. It is significant that today we are now managing recovered and healthy populations of all of Wyoming’s native large carnivores.”

The Wyoming Game and Fish Department and cooperating agencies added significant numbers of radio collars to better track, study and collect data on wolf populations in Wyoming. At the end of 2017 there were a total of 83 collared wolves statewide in Wyoming.

Total spending on wolf management by the State of Wyoming was approximately $280,000 with an additional $310,000 spent to compensate livestock producers for damage caused by wolves.

Trending wolf population outside of Yellowstone NP and Wind River Reservation. (WGFD)

In 2017, there were 191 confirmed livestock depredations in Wyoming outside Yellowstone National Park and the Wind River Reservation. That’s down from 243 in 2016. Additionally, the number of wolves removed for conflicts with livestock went from 113 in 2016 to 61 in 2017.

Legal hunting in Wyoming led to the harvest of 43 wolves last year. This was the first year for wolf hunting since 2013. An additional 33 wolves were killed under predatory animal designation.

“Recovery criteria for Wyoming is 100 wolves and 10 breeding pairs outside Yellowstone National Park and the Wind River Reservation. This is our 16th year exceeding those criteria. Now, with our new population information we can make informed recommendations on how to manage wolves in 2018 and moving forward,” said Ken Mills, the report author and the lead wolf biologist for Game and Fish. “Fortunately, we do not have any disease concerns at this time, but continue to test for that and to gather genetic samples of wolves to ensure genetic interchange is occurring.”

Mills added that more accurate wolf population information will help managers in recommending wolf harvest strategies that target areas of livestock conflict and areas where there are concerns with how wolves are affecting certain big game populations.


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