Mark Heinz
Mark Heinz covers the outdoors and wildlife for Cowboy State Daily.
He previously worked or freelanced for numerous newspapers and magazines across Wyoming, Idaho and Montana, covering all manner of news and feature stories. He has a strong background in topics related to wildlife, hunting, and wildlands conservation. He's written extensively since the 1990s about the controversies surrounding wolves, grizzly bears and mustangs.
He also enjoys people-centric stories with quirky edge of humor and has written several such pieces for Cowboy State Daily.
Mark lives in Laramie with his wife, Kendy, and the youngest of their five children.
Latest from Mark Heinz

The Tradition Continues: Mark Heinz Plays ‘The Star Spangled Banner’ On A Chainsaw
In what’s become an Independence Day tradition, Cowboy State Daily outdoors writer Mark Heinz plays “The Star Spangled Banner” on a chainsaw. Happy Fourth of July!
Mark HeinzJuly 04, 2025

Hot Springs County In An Uproar Over Cuts To 4-H, Extension Programs
The Hot Springs County Commission faced backlash Tuesday from residents upset over deep cuts to the county’s extension office and 4-H program. Commissioners say it's necessary due to lagging oil and gas revenue and a 25% cut in property taxes.
Mark HeinzJuly 02, 2025

Hacking Live Trees To Make Lean-To On Trail Not Only Inconsiderate, It’s Illegal
Responsible users of the public trails on Casper Mountain were outraged this week when someone cut down about 20 young, live trees and made a lean-to on a trail. That’s not only inconsiderate, it’s illegal — if the perpetrators are ever caught.
Mark HeinzJune 28, 2025

It’s Sweet Home Alabama For Bears On Southern ‘Grizzly Ranch’
Alabama might be the last place you’d expect to find grizzly bears, but there are several of them thriving there on the Grizzly Ranch Bear Rescue. The man who runs it says it's his mission in life to rescue bears.
Mark HeinzJune 27, 2025

Laramie Firefighter Crushed And Paralyzed In House Fire Walks Out Of Hospital
Laramie firefighter Dylan Schilt was left temporarily paralyzed when a massive stone chimney chase collapsed on him and a colleague on Feb. 28. After four months of intense work, he walked out of a Denver inpatient physical therapy center last week.
Mark HeinzJune 26, 2025

Former Asst. Interior Secretary Says Downfall Of Land Sale Bill Lee’s Own Fault
Sen. Mike Lee has only himself to blame for the downfall of his plan to sell federal public lands. Former Assistant Interior Secretary Rob Wallace says Lee shot his bill in the foot when “he cut the public out of the discussion.”
Mark HeinzJune 26, 2025

Purple Heart Vet On Wyoming Hunt Almost Tangled With Moose — And Wants To Come Back
As a Purple Heart recipient, Hank Ward has seen a lot, but he’ll never forget the first time he saw a moose in the wild in Wyoming. He almost tangled with a young bull that didn’t see him. Like many vets treated to Wyoming hunts, Ward wants to come back.
Mark HeinzJune 25, 2025

Wyoming Hunters Say They’ll Oppose Public Land Sales, No Matter What
Wyoming hunters said they won’t budge from their staunch opposition to selling public land. That’s despite U.S. Sen. Mike Lee, R-Utah, still pushing for a revised version of his federal land sales measure in a Senate budget bill.
Mark HeinzJune 25, 2025

One Reason For Firearms Sales Lag Could Be That ‘Everybody Who Wanted One Has One’
While the firearms industry is cyclical, the current slump in gun and ammo sales might defy the usual explanations. The owner of a Riverton tactical shooters training company says AR-15 sales could be down because “everybody who wanted one has one.”
Mark HeinzJune 25, 2025

Former Governors Say Bipartisan Anger Over Public Land Sales Not Surprising
Wyoming’s four living former governors — two Republicans and two Democrats — say they aren’t surprised about the bipartisan anger over the sale of federal public lands. Accessible wildlands are a defining element of Wyoming’s culture, they say.
Mark HeinzJune 24, 2025

Hunters And Others Angry About Being Locked Out Of Popular Snowy Range Road
An elk hunter said he nearly trashed his truck and camper because he got locked onto Boswell Road in Albany County and had to drive out the back way in a blizzard. He’s not the only one, as debate continues about whether the road is public or private.
Mark HeinzJune 24, 2025

Lee Offers Compromise On Public Land Sales Bill, Hunters Say No Deal
Facing scathing backlash from hunters over proposed federal land sales, Utah Republican U.S. Sen. Mike Lee says he’s willing to “make changes” to his bill. But hunters say compromise is impossible and the bill needs to die.
Mark HeinzJune 23, 2025

Legendary Outdoorsman Jack Dennis Says Pinedale Fight Fuels Tension Between Floaters, Landowners
A spat between anglers and a landowner over a natural water channel connecting Pine Creek and the New Fork River near Pinedale reflects a growing trend of tension between landowners and floaters across Wyoming. “It’s symbolic of greater issues,” outdoorsman Jack Dennis says.
Mark HeinzJune 22, 2025

‘Roadless Rule’ Leaves Wyoming Vulnerable To More Huge Wildfires, Hageman Says
The 24-year-old federal Clinton Roadless Rule is largely to blame for Wyoming’s devastating wildfires, Rep. Harriet Hageman says. She told Wyoming legislators Thursday that more blazes are in store if the rule isn’t changed.
Mark HeinzJune 20, 2025

More Changes For Rock Springs BLM Plan; Locals Say ‘We’ve Studied That Thing To Death’
In what’s become a familiar pattern, the Bureau of Land Management’s controversial Rock Springs management plan is up for another round of reviews. Wyoming legislators and officials say “we’ve studied that thing to death.”
Mark HeinzJune 19, 2025

Selling Federal Public Land Draws Massive Backlash From Western Hunters
Hunters are up in arms over potential federal public land sales included in a U.S. Senate budget bill. Prominent groups like the Rocky Mountain Elk Foundation, Wyoming's Muley Fanatic Foundation, and The Boone And Crockett Club all blasted the proposal.
Mark HeinzJune 19, 2025

Hageman Says Vast Swaths Of Wyoming Public Lands Won’t Be Sold
Wyoming Rep. Harriet Hageman says a Wilderness Society map that shows nearly 15 million acres of public land could be sold if the Senate budget bill passes is wrong. The group stands by its report, which it says is based on what the language of the bill says.
Mark HeinzJune 18, 2025

‘Cody Roberts Days’ Banner Greets Pro-Wolf Activists On Ride Through Daniel
When pro-wolf activists arrived in Daniel, Wyoming, on Saturday to protest the state’s wolf management policies, they were greeted by a large banner celebrating the man who made international headlines for reportedly running down a wolf with a snowmobile.
Mark HeinzJune 18, 2025

Angler Shoots, Kills Charging Cow Moose Near Resort In Bighorn Mountains
An angler shot and killed a cow moose he says charged him Saturday on the North Tongue River near Bear Lodge Resort in the Bighorn Mountains. The cow’s two young calves had to be put down.
Mark HeinzJune 17, 2025

German Shepherd Jumps From Vehicle, Tries To Run Down Wolf In Yellowstone
A German shepherd showed its predator instincts Friday, leaping from a vehicle and chasing a wolf in Yellowstone National Park. A wildlife guide said the wolf, a juvenile, might have felt intimidated.
Mark HeinzJune 17, 2025

Harley Rider Manages To Stay On Bike After Plowing Into Deer Near Devils Tower
Kyle Hamilton counts himself as extremely lucky after he plowed into a deer while riding his motorcycle near Devils Tower but managed to keep the bike upright and on the road. His friend’s dash cam caught the incident on video
Mark HeinzJune 16, 2025

It’s A Good Thing California Doesn’t Have Grizzlies, Bear Spray Is Banned There
While officials admonish hikers to carry bear spray in Wyoming’s Yellowstone and Grand Teton National Parks, it’s banned in California’s Yosemite National Park. They consider it a weapon and are worried people will spray each other with it.
Mark HeinzJune 15, 2025

Landowner Tag Changes Could Hurt Hunts For Disabled Vets, Organizers Worry
A proposal to raise the number of acres to qualify for landowner hunting tags in Wyoming from 160 to 640 has organizers of hunts for disabled veterans worried. Their concern is the change would shrink the pool of donated tags available to veterans.
Mark HeinzJune 15, 2025

Marmots Might Seem Harmless, But They’ll Chew Up And Destroy Your Car
Marmots might seem pudgy and harmless, but they can disable vehicles by chewing up hoses and wires. Some people are now wrapping their cars in tarps to protect against the ravenous rodents.
Mark HeinzJune 14, 2025

Wisconsin Man Sets New World Record For Largest Grizzly Ever Killed By A Hunter
A Wisconsin man has set a new world record for the largest grizzly ever killed by a hunter. The size of the Alaskan bear is "staggering" and experts say this record will be next to impossible to beat.
Mark HeinzJune 14, 2025

After Two Sasquatch Sightings In Colorado, Boulder County Puts On Bigfoot Hunt
Boulder County has been buzzing with Sasquatch fever after two reported sightings this year both in the vicinity of Longmont. So a group of Bigfoot-hunters went out on Friday night to track him down. Although they came up empty-handed, the group plans another outing this summer.
Mark HeinzJune 14, 2025

Popular Snowy Range Road Stays Closed Because Nobody Can Figure Out Who Owns It
Boswell Road in southeast Wyoming’s Snowy Range has been there since before Wyoming was a state. But it remains officially closed because nobody can figure out who owns it. In the meantime, the closure is killing a housing project.
Mark HeinzJune 14, 2025

Tourist Who Buzzed Yellowstone Osprey Nest With Drone Could Get Six Months In Jail
A tourist allegedly used a drone to buzz an osprey nest in Yellowstone National Park and could face up to six months in jail and a $5,000 fine for the violation of park rules.
Mark HeinzJune 12, 2025

Tempers Flare Over Selling Landowner Hunting Tags During Heated Hearing
Tempers flared during a legislative hearing Wednesday in debates over whether Wyoming ranchers should be allowed to sell their landowner hunting tags. It could be just a warm-up a fight ahead in the 2026 session.
Mark HeinzJune 12, 2025

Yellowstone Antelope Relentlessly Chase Coyote That Tried To Snatch Fawn
Getting a meal is no easy task for coyotes in Yellowstone National Park. One unfortunate coyote was relentlessly pursued by some pronghorn after trying to snatch a fawn in the Lamar Valley.
Mark HeinzJune 10, 2025

‘Nonresident Native’ Tags Could Bring Former Wyomingites Back Home To Hunt
People born and raised in Wyoming who move to other states must pay expensive nonresident tag fees to come back to hunt. Legislators are considering lower-priced “nonresident native” hunting tags for them.
Mark HeinzJune 09, 2025

Controversial Proposal To Let Landowners Sell Hunting Tags Revived
After being shot down during the Wyoming Legislature’s 2025 session, a proposal to let Wyoming landowners put their hunting tags up for sale was revived before a legislative committee Friday.
Mark HeinzJune 07, 2025

Wyoming’s Golden Age Of Mule Deer Is Gone, With Fewer Than Half Of Peak Numbers
Wyoming has fewer than half of the 500,000 mule deer it did during the heyday of the 1960s to 1980s, and it will likely never see mule deer herds like that again, a Game and Fish official told legislators Friday.
Mark HeinzJune 06, 2025

Lawmakers Ponder What, If Anything, Can Be Done To Regulate Extreme-Range Hunting
Wyoming legislators on Friday discussed what can be done, if anything, to regulate extreme-range hunting. In one much talked-about instance, a hunter in Fremont County shot an antelope from 2,000 yards away.
Mark HeinzJune 06, 2025

‘Sad Bear’ Signs Target Stretch Of Highway Where Grizzlies Keep Getting Hit
Researchers are taking a new route to keep drivers from barreling through Grand Teton grizzly habitat. They're tugging on people's heartstrings by putting up “sad bear” roadside signs, urging them to slow down.
Mark HeinzJune 06, 2025

As Minerals, Wind And Solar Projects Boom In Wyoming, Should Companies Pay For Displaced Wildlife?
State Sen. Larry Hicks is proposing a bill that would compensate Wyoming residents for “loss of property” when huge wind, solar, minerals or other energy projects displace wildlife.
Mark HeinzJune 05, 2025

Hunter Calls For Counter-Protest During Daniel Rally Against Wolf Torture
An outdoorsman is calling for people to show up in Daniel on June 14 to support Wyoming’s wolf management policies and to counter what he says is the inaccurate demonization of local resident Cody Roberts.
Mark HeinzJune 05, 2025

Early Elk Migration Could Be To Blame For Low Sales At Jackson Antler Auction
An early elk migration out of the National Elk Refuge could be to blame for a plunge in revenue from this year’s elk antler auction in Jackson. The annual auction consistently pulls in about $200,000 but this year’s auction generated only $109,000.
Mark HeinzJune 04, 2025

Wyoming Rancher Says His Cows Mysteriously Fell Over Dead, Like Cows On Colorado Ranch
A Crook County rancher said the baffling deaths of 15 Colorado cattle is eerily familiar. He never did figure out what killed more than 40 of his cows years ago. “It killed them instantly, whatever it was. They just dropped,” Clint Snook said.
Mark HeinzJune 03, 2025

Elderly Wyoming Mustangs Enjoy Life On Oregon Sanctuary They Helped Make Famous
Goliath and Blue Zeus are two huge mustang stallions who lived hardscrabble lives on the Wyoming range and now enjoy freedom and plentiful forage on a 9,000-acre horse sanctuary in Oregon. Goliath is 33-years-old while Blue Zeus is 24.
Mark HeinzJune 03, 2025

Hazing Of Grizzly 1063 Led To Cubs Being Killed, Photographer Tom Mangelsen Says
World famous wildlife photographer Tom Mangelsen said he believes the National Park Service's "hard hazing" of Grizzly 1063 last month led to two of her cubs being killed and cannibalized by a large male grizzly. The National Park Service disputes that.
Mark HeinzJune 03, 2025

15 Cattle Dropped Dead In One Day On Colorado Ranch Remains A Mystery
A Colorado ranch family suffered a devastating loss when 15 head of cattle died suddenly in a single day. Weeks later, they still haven’t figured out why.
Mark HeinzJune 02, 2025

As Tough As Moose Are, Tens Of Thousands Of Ticks Can Bring Them Down
Given their massive size and cantankerous attitudes, Wyoming’s moose might seem practically indestructible, but if enough ticks pile on to a moose, they can kill it -- and they do.
Mark HeinzJune 01, 2025

Why It Probably Doesn't Make Any Sense To Keep Searching For Grizzly 399's Cub, Spirit
Since Wyoming’s most famous bear, Grizzly 399, was killed by a car last fall, there hasn't been a verified sighting of her cub, Spirit. Famed wildlife photographer Tom Mangelsen, who named the cub, says it would probably take genetic testing to positively identify the bear.
Mark HeinzMay 31, 2025

Bear Stops By Burgess Junction Visitor Center, Barely Misses Busload Of Tourists
A young black bear decided to take a stroll right up to the Burgess Junction Visitor Center in the Bighorn mountains early Wednesday. The bear missed a busload of tourists by about 20 minutes.
Mark HeinzMay 31, 2025

Colorado Wolves Caught For Killing Livestock Let Go, Blamed For Killing Cows Again
Colorado’s Copper Creek wolf pack was captured and put in captivity last year for killing livestock. After being released, they’re now blamed for killing cows again.
Mark HeinzMay 30, 2025

BLM Proceeds With Roundup Of Rare Curly-Haired Horses Despite Pending Court Case
Despite a lawsuit challenging the capture of wild mustangs in central Wyoming still pending in federal court, the Bureau of Land Management has decided to proceed with the roundup of nearly 3,000 horses.
Mark HeinzMay 29, 2025

Quake In Yellowstone Spooks Humans, But Bears Don’t Care
A wildlife photographer definitely felt an earthquake in the Hayden Valley area of Yellowstone on Monday evening but the bears she was filming? Couldn't care less.
Mark HeinzMay 29, 2025

Wyoming’s Miracle Mile Is Prized For Trout, But Not So Much The Kokanee Salmon
The Miracle Mile on the North Platte River in central Wyoming is prized as a trout fishery. Spawning kokanee salmon can also be caught there, although they might taste awful if caught during fall spawning runs.
Mark HeinzMay 28, 2025

Crisis Or Hyperbole? How National Parks Will Fare This Summer
Some retired and current National Park Service officials claim federal cuts will cause chaos in the parks this summer. Others, including the person who used to oversee the National Park Service, says it’s hyperbole and the parks will be just fine.
Mark HeinzMay 28, 2025

Motorcycle Rally Against Wolf Torture Plans Return To Daniel, Wyoming
Hogs for Hope, a motorcycle rally in response to the torture and killing of a wolf in Daniel, plans a return to the western Wyoming town June 14. The event organizer says he won’t stop the rallies until Wyoming reforms its wolf management policy.
Mark HeinzMay 26, 2025

Group Aims To Raise $500 Million To Get Wildlife Crossing Projects Rolling Again
With federal money for wildlife crossings running dry and on hold, the Wildlife Crossing Fund aims to raise $500 million in private donations. The goal is to get wildlife crossing projects rolling again across Wyoming and other states.
Mark HeinzMay 24, 2025

Grizzly Shot, Killed After Charging Mushroom Pickers Near Montana Prairie Town
Two Montana men shot and killed a grizzly that charged them while they were picking mushrooms late Wednesday near the town of Choteau. That’s in prairie country where grizzlies have recently become more common.
Mark HeinzMay 24, 2025

Grizzlies Walk Right Up To Cody Man’s Jeep, Show They Don’t Fear Humans
A man headed to look for black bears near Cody said three grizzlies walked right up to his bright lime-green Jeep. He said it’s more evidence that grizzlies don’t fear humans in that area.
Mark HeinzMay 23, 2025

Wyoming Shooters Closer To Being Able To Buy Suppressors Over-The-Counter
Wyomingites might soon be able to buy firearms suppressors over-the-counter. A bill lifting restrictions on them passed the U.S. House on Wednesday.
Mark HeinzMay 22, 2025

Wyoming Corner-Crossing Case Would Set National Law If Supreme Court Hears It
Wyoming’s noted “corner-crossing” case could end up before the U.S. Supreme Court. If it does, it would settle once and for all whether hopping corners between private and public land parcels is legal.
Mark HeinzMay 22, 2025

Flaming Gorge Lake Trout Still Devouring Kokanee Salmon Despite No Limits, Marina Owner Says
A marina owner at Flaming Gorge told Cowboy State Daily on Wednesday that lake trout are gobbling too many prized kokanee salmon. He said the catch limits on lake trout aren’t enough and should be commercially netted.
Mark HeinzMay 22, 2025