Western Slope prepping for wolves
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Since Colorado’s last wild wolves were killed in the 1930s, a few lone animals have been spotted in the state. So, when a pack was spotted in northwest Colorado — several months before Colorado voters decide whether they’ll support a bill to reintroduce gray wolves to the state — it wasn’t a total surprise to Carbondale ecologist Delia Malone.
“It does give life to the idea that Colorado has ample suitable habitat for wolves,” said Malone, a member of the science advisory team for the Rocky Mountain Wolf Project, which hopes to reestablish a sustainable population of wolves in Colorado.
Malone and Colorado wildlife officials agree that the rural northwest corner of the state is well-suited for wolves. CPW isn’t releasing the pack’s exact location, but agency spokesperson Lauren Truitt says there is plenty of prey and room to roam.
“With Colorado not having any wolf presence, there’s not a whole lot of competition for them, so it’s very likely that they’ll hang around,” Truitt said.
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CPW biologists used DNA testing on four scat samples, which revealed there are at least three females and one male in the pack, and those wolves are all closely related, probably as full siblings.
“That does not mean there’s a sustainable population of wolves in Colorado,” Malone said. “A sustainable, recovered population is a population that is ecologically effective in their role to restore natural balance; they’re well-distributed throughout Colorado; they’re well-connected. And six little wolves is not that.”
Malone says her work as an ecologist gives her a clear view that Colorado needs wolves.
“Our ecosystems are not in great shape,” Malone said.
The combination of a warming climate and lack of predators has reduced the resilience of Colorado’s aspen forests and other habitats. Malone said the presence of wolves has tremendous benefits, including improving water availability in the driest months of the year.
“They (wolves) move the elk so that they don’t overgraze, so that there’s willow left for the beavers to build their dams, to store their water, to supply streamflows in the late-summer season,” Malone said.
Malone and others point to the ecological benefits seen after wolf recovery in Yellowstone National Park as a model. The National Park Service says that without pressure from predators such as wolves, the elk population grew far beyond what was sustainable. The number of elk has since reached healthier levels.
Polls show support for reintroduction
While a pack sighting indicates the possibility of wolves returning to western Colorado on their own, there are also two potential paths to reintroduction.
Sen. Kerry Donovan in January introduced to the state legislature a bill that would take cautious steps toward wolf reintroduction, potentially beginning in 2025.
In November, voters will decide on Initiative 107, which would require CPW to create a plan to reintroduce and manage gray wolves by the end of 2023. The Rocky Mountain Wolf Project has been working for years on a plan that would fully restore wolves to Colorado.
“Vast areas that are rugged and remote without humans are the ideal reintroduction sites,” Malone said.
The Rocky Mountain Wolf Project identified several potential reintroduction sites, including the Flat Tops Wilderness north of Glenwood Springs; Grand Mesa, Uncompahgre and Gunnison National Forests; Weminuche Wilderness in San Juan National Forest; and Carson National Forest.
Gray wolves are currently listed as a protected species under the Endangered Species Act, which gives management authority to the federal government. Last year, the federal government petitioned to remove those protections and declare wolves recovered. That would mean that CPW would be in charge of management.
If Initiative 107 passes and gray wolves remain listed under the ESA and, therefore, under federal management, Truitt says the next steps are unclear.
“The ballot initiative instructs the Commission to develop and implement a plan for reintroduction, but is silent as to what CPW is supposed to do if it has no authority to reintroduce or manage wolves,” she wrote in an email.
There is strong support across the state for wolf reintroduction. In an online survey conducted by Colorado State University professor Rebecca Niemiec, 84% of respondents intended to vote for wolf reintroduction.
Herd instinct and ranching changes
Jose Miranda raises water buffaloes, mostly for dairy, in Old Snowmass. He says it would be silly to think that wolves won’t change his operations, but he still plans to vote for reintroduction.
“My position is that morally, it’s the right thing to do,” Miranda said. “On the verge of so many species that are facing extinction, if we can do something to help some of them, we just have to.”
Miranda acknowledges that wolves would mean major changes for many ranchers, particularly those whose use permits to graze cattle on U.S. Forest Service land. Those permit areas tend to be large, with animals spread out across the landscape rather than gathered in herds.
Longtime Carbondale ranchers Bill Fales and Marj Perry use a Forest Service permit to graze up to 900 head of cattle each year in the summer and fall.
Perry has been researching ranchers’ experiences across the West, and she worries that wolf predation would be particularly severe during two times of the year: calving season, when wolves tend to hang out lower in the valleys and there are an abundance of calves available; and early fall, when wolf pups are learning to hunt.
“It’s a lot easier to learn to hunt a calf than a deer or elk,” Perry said, adding that their cattle are spread out on Forest Service lands during that time of year.
Researchers and ranchers have identified ways to minimize the loss of cattle to wolves and other predators. Matt Barnes, a rangeland and wildlife conservationist and a former rancher, says ranchers who use strategic grazing — a process in which cattle are moved from one pasture to another and work is done to encourage herd behavior — lose very few animals to predators.
“If they bunch up and stand their ground, the vast majority of the time, they all survive,” Barnes said. “A lone prey animal out there is kinda easy pickings.”
Wolves hunt by forcing their prey to run and attacking from the sides. That’s how they are able to kill animals that are four times their weight. But researchers think wolves are only successful about 15% of the time, and much of their success depends on how the prey behave — namely, if they gather in a herd.
“There is something magic about that herd effect,” Barnes said. “It’s prey animals’ primary anti-predator behavior.”
Cattle — indeed, all kinds of prey — can move the weakest members of the herd to the middle, and defend themselves using their hooves.
Miranda, who raises water buffaloes, thinks his animals stand a pretty good chance against wolves because of their herding behavior.
“I know that the water buffaloes that I have are probably going to have a better instinct protecting themselves and the younger animals as far as protecting themselves against a pack of wolves,” Miranda said.
But Perry and Fales say the landscape where their cattle graze make herding up very difficult. There aren’t many open fields on the Forest Service land where their permit is, and there’s also limited access to water.
“We try to not have the cattle in a big bunch in order not to hammer the riparian areas,” Perry said. “Our whole strategy has been to keep cattle strung out. And so far, it seems like it’ll be really hard to remedy that.”
Wolf advocates also say range riders can help minimize losses; a rider who is out with the cattle daily can watch for injured or weakened cows or calves that might become targets and keep an eye out for wolves. But Fales doesn’t think that would work, either, especially with the challenges of finding reliable labor.
“We do a lot of range riding. There’s never a day when there’s not someone out there,” he said. “But it would be totally insufficient to manage for wolves.”
The management strategy that Perry and Fales think would work in their situation is one that currently isn’t an option in Colorado: killing the problem wolves that prey on cattle.
“The only thing I would really advocate for would be lethal control,” Perry said. “You can’t have wolves without forevermore killing them.”
Killing wolves is illegal in Colorado because the species has federal protection under the ESA, but the future of that status is uncertain. Some ranchers, including Miranda, are hopeful that reintroduction would mean a larger voice in how wolves are managed than if the animals return to the state on their own.
“Some of these programs are very progressive,” Miranda said. “As long as there’s that kind of help and communication, that’s very fortunate.”
In fact, the CSU survey found that nearly 80% of people who identify as ranchers intend to vote for reintroduction. The online survey asked respondents a series of questions about how officials could manage wolves — including lethal control and compensation for ranchers for lost livestock — before asking whether people support the ballot initiative.
The initiative does not include any promise of lethal control, and management depends on a series of questions — namely, if wolves are removed from protections under the ESA. Even then, Barnes said control measures need to be carefully executed.
“For lethal control to make sense, it’s got to be targeted to the specific individuals that are involved in the conflict,” Barnes said. “Preemptive lethal control does not work.”
Also, he said, the number of cattle and sheep actually killed by wolves in states such as Montana and Wyoming is surprisingly low.
Wolves kill few cattle, sheep
In Montana in 2018, the U.S. Department of Agriculture confirmed the loss of 71 livestock — 64 cattle and seven sheep — and two dogs to wolves. The USDA received 93 complaints of wolves killing livestock that year, while the state was home to an estimated 2.55 million cattle, 225,000 sheep and 819 wolves.
The numbers are similar in Wyoming, where wolves are considered “predatory animals” in most of the state, meaning they can be killed at will. In 2018, wolves were confirmed to have killed 71 head of livestock: 55 cattle, 15 sheep and 1 horse.
Wolves do kill livestock but not in big numbers.
“The rhetoric, the exaggeration, the myth is our biggest challenge,” Malone said. She said wolf advocates have work to do to assure ranchers that wolves won’t devastate their livelihood.
“We need to do work with the ranching community to be sure that they are whole and that they’re fairly treated,” Malone said. “But we can do that. We have good examples of it.”
Initiative 107 includes direction for the Colorado Parks and Wildlife Commission to create a plan to compensate for livestock lost to wolves. Similar plans exist in other Western states, including Montana, where the state paid $82,959 to 40 livestock owners.
Funding for such a program in Colorado would come from an existing wildlife cash fund, and Malone says the goal is for public input to help shape policy on how to fairly compensate ranchers for their losses.
Still, Fales and Perry worry that wolves in Colorado would mean a significant economic hit — and an emotional one, too.
“There’s an emotional attachment (to the cattle), even though you’re selling them for a beef animal. You’re taking care of them, we’re with them just night and day when they’re calving,” Perry said. “And to go out and find them just shredded and eaten up is not something I would ever vote for.”
If Initiative 107 passes, Perry says she might quit. And her husband, Fales, thinks others might follow suit.
“I think a lot of people will quit, and certainly in this part of Colorado, there are a zillion developers ready to help you quit,” he said.
Coexistence amid conflict
Historically, conflicts between ranchers and wolves have not ended well for the predators.
“Because of their depredations of domestic animals, wolves in Colorado were systematically eradicated by shooting, trapping and poisoning,” reads the CPW informational website on wolves.
In recent years, CPW officials say there have been no reports or evidence of people killing wolves in the state, except for a widely publicized incident in 2015 where a hunter shot a wolf that he said he thought was a coyote.
While wolf advocates point to the ecological benefits of restoring wolves to their historic range, the social implications might be harder to pin down. Perry says she understands why people might be attracted to the idea of wolves, but she believes the implications on the ranching industry will be far-reaching.
“There could be unintended consequences (of wolf reintroduction),” Perry said. “Loss of ranchland, which means more fragmentation, more housing development, more decline for all animals, prey and predator.”
Barnes, who has experience in both wildlife conservation and raising livestock, says part of having domestic animals is the risk of predators.
“Very little in nature gets to live out its life without the risk of getting eaten,” Barnes said. “Coexistence is possible, but it’s probably not peaceful.”
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