Wyoming has seen a rapid increase in outdoor recreation in recent years, and biologists are uncovering new details about how people are impacting wildlife health.

Using motion-triggered speakers and trail cameras, researchers are capturing what happens when wild animals hear humans.

Meghan Riley, public lands and wildlife advocate for the Wyoming Outdoor Council, said hikers or mountain bikers frequently enter what's called a "zone of influence" along a trail, which is especially stressful in winter months.

"An animal might hear or smell you, and bolt, and you might not even see that has happened," Riley explained. "It might not look like a big deal, but that animal is expending energy at the time of year when it most needs to conserve energy."

People making noise in wild spaces can lead to habitat fragmentation, and animals on constant high alert are more stressed and spend less time feeding. The U.S. Forest Service is collecting data on how human sounds affect animals calling the Bridger-Teton National Forest home as it considers revisions to its land management plan.

Riley pointed out the research is important for land and wildlife managers working to ensure Wyoming's wild spaces do not become "loved to death." Earlier this year, state lawmakers created a trust fund to finance recreation infrastructure. Riley added officials can tap the findings as they consider where to install new trails and campsites.

"I think there's a way to make sure that people have the access to the outdoors that they need to thrive, but do it in a way that is intelligent and protective of the wildlife resources that we all cherish," Riley emphasized.

Riley noted officials can also ensure wildlife are getting a break from human disruptions through brief seasonal closures in key areas and at specific times of year.

"Trying to keep people out of big game winter range," Riley suggested. "Or in the summer, when animals are having their babies, keeping people out of nesting areas, places where calves are being born."


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Today, Oregon conservation groups are headed to the state Capitol for "Wildlife Lobby Day."

The organizations, all part of the Oregon Wildlife Coalition, will meet legislators to advocate for four bills supporting science-based coexistence with wildlife.

Sristi Kamal, deputy director of the Western Environmental Law Center, highlighted the "1% For Wildlife" bill, which would raise the state Transient Lodging Tax by 1% up to 2.5%. Funds would help the Oregon Department of Fish and Wildlife implement the State Wildlife Action Plan to protect imperiled species and habitats.

Kamal pointed out the plan currently has no funding from the state.

"Even though we have a Democratic majority in our legislature this session, unfortunately, wildlife falls at the bottom of everyone's priority list," Kamal observed.

One bill would help landowners use nonlethal tools to share land with beavers. Another seeks about $1 million to fund four wildlife coexistence biologists, a public education campaign and a grant program for wildlife rehabilitation centers.

Along with supporting four bills, the coalition opposes two bills this session, both focused on carnivore management. One would reimburse ranchers up to five times the market value for livestock killed by wolves, despite Oregon already compensating the full market value.

Kamal noted research shows such payments do not increase tolerance and may have the opposite effect.

"We fear that this will actually increase intolerance for the species and lead to more actions like poaching of wolves," Kamal explained. "Which we are already seeing a significant uptick in the state."

Another bill opposed by the coalition would legalize using hounds to hunt cougars, an idea Kamal argued is inhumane and has already been voted down by Oregonians.

Kamal emphasized the coalition, along with the bills they support, aim to foster coexistence between wildlife and people. She stressed Oregon's policies need to reflect the vital role many species play in supporting ecosystems and humans through climate change and wildfires.


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Colorado lawmakers could add buffalo, also known as bison, to a long list of wildlife that have been restored to their natural habitat across the Centennial State. Senate Bill 25-053 would classify wild roaming buffalo as wildlife, to be managed by Colorado Parks and Wildlife the same as deer, elk, moose and other big game species.

Nick Gevoc, Northern Rockies campaign organizing strategist with the Sierra Club, says under current Colorado law, when members of wild buffalo herds from southeastern Utah cross a border they can't see, they are not protected.

"Just a handful, maybe four to six animals a year, are making their way into western Colorado. And those animals are being shot now," he explained. "And they can do that legally because they are not recognized as wildlife in the state of Colorado."

Colorado is seen as a leader in the Rocky Mountain region for restoring wildlife, most recently with the reintroduction of wolves, a move opposed by some cattle producers. Efforts to protect buffalo as wildlife in Montana have been strongly opposed by the livestock industry. Senate Bill 25-053 would protect existing free-range buffalo, and does not direct wildlife managers to bring more animals into Colorado.

Before they were hunted to near extinction in the late 19th century, between 30 million and 60 million buffalo roamed North America. In recent years, efforts by Tribal Nations to recover buffalo as a wildlife species have gained momentum. The keystone species provides food and habitat for birds, insects and small mammals, and increases biodiversity.

"They create little depressions that often store water. They selectively graze on the landscape differently than cattle, they hit some areas harder than others," Gevoc continued. "They tend to stay away from waterways. They bring tremendous ecological benefits to a shortgrass prairie."

Gevoc believes the measure will boost Colorado's economy as people come to the state for a chance to see buffalo, America's national mammal, in the wild.

"They are deeply important to Native American people, and they're a symbol of pride to the people of Colorado and all over the country. We recovered elk, deer, antelope, moose, all kinds of other species. But for some reason we left this one behind," he concluded.

A bill to exempt any Colorado livestock producer's personal information from the Colorado Open Records Act when they collect public dollars for livestock lost to wildlife is swiftly moving through the General Assembly.

Proponents said the law is necessary to prevent potential harassment and scrutiny over how ranchers are working to keep livestock safe from wolves.

Ryan Sedgeley, Southern Rockies field representative for the Endangered Species Coalition, said hiding the names of anyone who receives taxpayer money is not good policy.

"Senate Bill 38 invites the opportunity for fraud and abuse," Sedgeley contended. "Because when there is no accountability or transparency for who's receiving taxpayer money for damage, anybody can take advantage of that."

The measure has cleared the Senate. The House Ag, Livestock and Water Committee is scheduled to hear the bill today. Supporting the bill are 25 registered lobbyists representing livestock interests. The Center for Biological Diversity and Colorado Freedom of Information Coalition are lobbying in opposition.

Sedgeley pointed out most Coloradans support living alongside wolves and have doubled down on financial compensation for lost livestock, especially for family-scale producers. In addition to state and Colorado State University, Sedgeley noted new "Born to be Wild" license plates have already brought in $650,000.

"That directly goes to helping ranchers do this work," Sedgeley emphasized. "We also have a lot of nonprofit partners who are actually out in the field helping ranchers, getting them the materials and supplies they need. And there's a range-riding program that's been stood up."

Sedgeley added the actual threat wolves pose to livestock is very low.

"Less than 1% of cattle mortality is a result of wolves in places where there are actually significant amounts of wolves, like up in the Northern Rockies," Sedgeley observed. "And to put that in context, dogs kill about 11.3%; weather is responsible for 9.3%."