A Wyoming Wetland Society employee releases one of two beavers into a wetland in the Gros Ventre in 2009. The Wyoming Game and Fish Department is proposing to open several creek drainages to unlimited beaver trapping.

Lisa Robertson says she was just curious what would happen two years ago when she put in applications to become the sole person permitted to run beaver trap lines in a few creek drainages near Jackson.

Being the founder of an organization called Wyoming Untrapped, she was an unlikely candidate to wade into beaver ponds and set conibear traps meant for the large aquatic rodents, a species whose valuable furs fueled exploration of much of North America. Her purpose, instead, was to prevent beavers from being trapped and killed.

“The first year it was just me, and I just did it to see how it worked,” Robertson said. “And I won two areas.”

The next year she convinced a couple friends to join her in monkeywrenching the Wyoming Game and Fish Department’s system for regulating areas where a finite number of beavers can be trapped. Robertson again won the lottery last summer, as did Deidre Bainbridge and Bob Caesar. Just like that, folks who had no interest in trapping held exclusive-right permits to trap beavers in every stream drainage in the Jackson Hole area where trapping is limited: Ditch, Willow, Game, Little Horse and Fall creeks.

After the original publication of this article, Bainbridge contacted the Jackson Hole Daily to say her reason for applying for a limited quota beaver permit area was "simple." She stated that she was exercising "her constitutional right to trap and hunt pursuant to our Wyoming Constitution and to require that her furbearing animal, the beaver, is forever preserved through proper management." She cited Article 1 Section 39 of the Wyoming Constitution, which reads: "The opportunity to fish, hunt and trap wildlife is a heritage that shall forever be preserved to the individual citizen of the state..."

"I can choose when and if it is appropriate to trap," she said.

But she found "very few beaver" in her area, she said, and chose not to trap.

“We weren’t trying to make a big deal out of it,” Robertson said. “It’s just our right, so why not? Anybody can choose not to hunt on any kind of hunting permit.”

But recently, Robertson learned she was about to lose a shot at again acquiring one of the limited-quota trapping permits. Game and Fish in April issued its proposal for the 2019-20 trapping season, and the draft regulations scrubbed all the limited licenses for the Jackson Hole streams, opening them to anyone who possessed an over-the-counter trapping license.

Game and Fish Regional Wildlife Coordinator Doug McWhirter said it’s fair to characterize the activists’ successful tag-grab technique as the main motivation for the proposed rule change.

“We feel like that opportunity is there to be provided [to beaver trappers],” McWhirter said. “In some cases, we’ve been issuing lethal take permits because there’s not a licensed trapper that was acting on those permits.”

Jackson Hole resident and longtime fur trapper Mike Beres, who presides over the board of the Wyoming State Trappers Association, said he appreciates the state’s planned rule change.

“You’re impeding somebody’s right to trap by applying for those licenses with no intention of using them,” Beres said. “Somebody found a loophole, and it’s not the guy who’s got five jobs who’s trying to survive. It’s the rich Wilson soccer mom who’s got a lot of time.”

The concept of subverting hunting and trapping seasons by overwhelming limited-draw lotteries earned headlines around the world in 2018, when a group called Shoot ’Em With a Camera convinced people to apply for Wyoming’s planned grizzly bear hunt. A federal judge stopped the season, which would have targeted up to 22 bears, but not before people like wildlife photographer Tom Mangelsen succeeded in the low-odds lottery and won a slot that could have allowed him to slow the hunt.

The more-tightly regulated harvest of beaver trapping dates to 1992. Limiting the drainages to a single trapper predates McWhirter’s post at Game and Fish, but his hunch was that the 27-year-old rule change stemmed from high fur prices, significant trapping pressure and a goal to keep harvests in check. Game and Fish’s goal today is to keep beavers on the landscape and populations healthy, and he said the proposed regulation change shouldn’t be interpreted as a move to kill more beavers — even though the take would technically be uncapped.

“We recognize the keystone nature of beavers,” McWhirter said, “and their extremely valuable role on the landscape. We don’t want to see that impacted.”

At least one of the drainages affected, in fact, he said, is being considered for a complete closure down the road: the Wyoming Range’s Willow Creek, which would join already closed-off Cache, Cliff and Granite creeks.

Game and Fish’s Jackson office is also implementing a new-to-here beaver monitoring program, and there are plans to inventory the population using aerial techniques, McWhirter said.

In the meantime, Robertson isn’t impressed with what she described as beaver trapping regulations that have no scientific foundation. The rule change in response to her successful draw, she said, is “very disappointing.”

“We can do better than this,” Robertson said. “We should be thinking more progressively than any other county out there. We know better, and we have the knowledge, so when are we going to start using science to regulate our furbearers?”

This article has been updated from the original version. — Ed.  

Contact Mike Koshmrl at 732-7067 or

Mike has reported on the Greater Yellowstone Ecosystem's wildlife, wildlands and the agencies that manage them for 7 years. A native Minnesotan, he arrived in the West to study environmental journalism at the University of Colorado.

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(5) comments

Roger Hayden

With Lisa Robertson, I co founded Wyoming Untrapped and was its first executive director. In that position I learned that any trapping to make a living today is a myth. Unlike trapping decades ago, today it is not for necessity, for garments to keep us warm, for example. Trappers today sell what little they get for clothing fashion in other countries like Russia. There's very little scientific basis for trapping. We need beavers for healthy watersheds for wildlife and for us.

Rick Bell

Never a good thing to use deceptive and unethical practices like yours Rodger.

Will Hopkins

Rick, Not sure why you're accusing Mr. Hayden of deception. His comments are dead on. The killing of fur-bearing animals is barbaric and not needed in today's society. If there is no need, why allow the practice to continue? What's worse is that Wyoming Game and Fish are releasing beavers to be free so our so-called "hunters" can trap them. Do you really think selling a pelt for $10 is sustainable?

Greg Herrick

These appear to be two extremes. Is there no middle ground based on science? And as long as I’m commenting on wildlife issues, we need speed control cameras on highways in areas where moose are being killed by motorists; we also should reduce the yearly hunting tags by the number of moose killed by cars.

Ken Chison

Greg. Why should we allow all the village residents, sporting their $100,000 SUVs, to be the only ones to get a moose? True sportsman will utilize the whole moose, feeding their families, and not leave it to rot alongside the road. Hunters should not be penalized for the bad choices of the supposed animal lovers.

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