Environmental groups are concerned that 70% of WDFW wolf killings are being carried out on behalf of a single landowner

Wolves around a culvert

Who’s responsible? Washington’s wolf recovery activities allow the state to work with livestock producers to minimize conflicts with wolves. Critics wonder if everyone is acting in good faith. Photo: WDFW

By Nick Engelfried. October 23, 2025. At the start of this year, northeast Washington’s Sherman wolf pack had five adult wolves. Today that number is down to two females, caring for up to six pups.

Of those surviving adults, one could soon be killed by the Washington Department of Fish and Wildlife.

WDFW says the pack is responsible for a string of depredations on calves, making a lethal removal necessary. In an Oct. 9 announcement, the agency stated it would authorize taking out one of the remaining females.

Some wildlife groups have blasted what amounts to a kill order for a wolf pack clinging to survival.

“If the Sherman pack loses another adult, it will be virtually impossible for the mother who is left to provide for her pups,” says Dr. Francisco Santiago-Ávila, science and advocacy director for Washington Wildlife First.

On Oct. 14, King County Commissioner Mark Hillman granted a temporary restraining order requested by Santiago-Ávila’s organization, preventing WDFW from acting on its fatal removal authorization before a court hearing this Tuesday.

“We are gratified the Commissioner stopped WDFW from executing this unethical, inhumane and unscientific order,” says Santiago-Ávila.

All livestock killed or injured by the Sherman pack belong to a single owner: Diamond M Ranch near Laurier.

In fact, of all wolves WDFW has killed in the state since 2012, 70% were removed at the behest of Diamond M, whose owners are outspoken about their antipathy toward wolves.

With the fate of another wolf and perhaps a whole pack in the balance, groups such as Washington Wildlife First question why one private business should have such an outsized impact on Washington’s wolves.

“WDFW seems willing to reward irresponsible husbandry by repeatedly authorizing wolf killings on behalf of this single producer,” says Santiago-Ávila. “It’s concerning.”

Pack on the edge

If WDFW removes another Sherman wolf, it will likely spell the end of a pack already beset by losses.

In May, a private individual shot and killed a Sherman wolf that was reportedly chasing cattle.

In parts of Washington where wolves aren’t protected under the federal Endangered Species Act, domestic animal owners may kill up to one wolf if it is caught hunting livestock.

In August, multiple depredations on calves ascribed to the Sherman pack led WDFW to lethally remove another of its members. A third was found dead that same month.

On Sept. 28 and Oct. 1, two more Sherman wolf-related calf injuries were reported to WDFW, leading to the latest lethal removal authorization.

Wolves in Washington

Where the wolves are: Wolf study area in Washington. Map: UW School of Environmental and Forest Sciences

Not all environmental groups oppose the move.

Some believe killing wolves that prey on livestock is necessary for people and the wild canines to coexist.

“Washington has the best policies and outcomes for wolf recovery,” says Mitch Friedman, director of Conservation Northwest. “Actions that obstruct those policies will ultimately hurt wolves. If it doesn’t work for people, it won’t work for wolves.”

The Sherman pack likely won’t survive losing one of its last two adults, even though WDFW plans to target the female without pups. Mother wolves rely on other pack members to help feed and care for offspring.

WDFW declined to comment for this story because of the pending court case, but the agency has said the Sherman pack’s demise won’t significantly impact wolf recovery in Washington.

WDFW emails show tension over landowner

Bill McIrvin of Diamond M Ranch is open with his views about wolves.

“I don’t feel that we have room for wolves in Washington,” he told the Los Angeles Times in 2019.

McIrvin’s family has been ranching in Washington for generations, and has grazing allotments in Colville National Forest. They are involved in a disproportionate number of wolf killings authorized by WDFW, including those affecting the Sherman pack.

“WDFW has killed 51 wolves since 2012, and 36 of those killings were on behalf of this single operation,” says Santiago-Ávila.

Bill McIrvin of Diamond M Ranch

Shoot first: Diamond M Ranch owner Bill McIrvin sat with a Los Angeles Times photographer for a portrait in 2019. Photo: Richard Read

In its Oct. 9 announcement, WDFW said Diamond M used nonlethal deterrents that cattle producers are supposed to employ before the state resorts to killing a wolf.

However, the agency noted “concerns about inconsistencies in carcass sanitation.”

Carcass sanitation means removing dead cattle from areas frequented by wolves, so the remains don’t attract more predators.

Internal WDFW documents, filed by Washington Wildlife First with the court, show agency staff disagreeing about whether Diamond M made adequate use of deterrents and if a lethal removal was justified.

An Oct. 7 email from the WDFW Wolf Team tasked with reviewing the Sherman case stated they “could not come to a consensus” about removing another wolf. Instead, the email listed arguments for and against the decision.

On Oct. 8, Mike Kuttel, Jr., eastern regional director for WDFW, recommended to agency leadership that they authorize lethal removal.

Deputy Director Amy Windrope initially declined to follow Kuttel’s recommendation, but said after “another in-depth review of the staff analysis” she had changed her mind.

On Tuesday, a King County Superior Court judge will decide whether to extend the restraining order protecting the Sherman wolves until the case is decided on its merits.

If not, the latest lethal removal on behalf of Diamond M Ranch will likely go ahead.

Columbia Insight reached out to Diamond M via phone. A male voice answered, then hung up when told the call pertained to a story about the Sherman wolf pack.