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

Anti-Wolf Torture Bill Clears The Legislature, Headed To Gordon’s Desk
A bill calling for possible felony charges against people who torture predators cleared the Legislature on Wednesday and is headed to Gov. Mark Gordon’s desk.
Mark HeinzFebruary 27, 2025
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Forest Service Chief’s Departure Fine By Us, Says Wyoming Delegation
Wyoming’s congressional delegation say they’re just fine with Wednesday’s surprise announcement that U.S. Forest Service chief Randy Moore is quitting. Rep. Harriet Hageman said it was welcome news as he mismanaged the agency.
Sean Barry & Mark HeinzFebruary 27, 2025

Wyoming Grizzlies Could Start Waking Up Any Day, Will Grizzly 399’s Cub Show?
Wyoming’s grizzlies should start emerging from hibernation any time now, but nobody’s sure if Grizzly 399’s cub, Spirit, will be among them.
Mark HeinzFebruary 26, 2025

You Can Shoot A Vicious Dog In Wyoming, But Be Prepared To Back It Up
Concealed firearms carriers can legally shoot attacking dogs but should be prepared to back their stories up, self-defense experts say. It can be more complicated in a populated area, even leading to potential endangering charges.
Mark HeinzFebruary 25, 2025

Bill Aims To Protect Wyoming Rodeo From Animal Activists
Cody Republican Rachel Rodriguez-Williams says Wyoming’s rodeos need protection from animal rights activists. Her bill to protect rodeo passed out of committee Tuesday, while detractors claim it could open the door to puppy mills and dog fighting.
Mark HeinzFebruary 25, 2025

Wyoming Hunters Say Proposed 100,000-Acre Land Swap Would Be A Raw Deal
An exchange of roughly 100,000 acres between the federal government and a ranch in southcentral Wyoming would improve recreational access, supporters say. But Cowboy State hunters say the swap would be a raw deal.
Mark HeinzFebruary 25, 2025

Bill To Regulate Fishing Guides In Wyoming Clears State Senate
Fishing guides on both sides of the Wyoming-Colorado state line voiced support for a bill that could prevent the mobbing of Wyoming’s prized trout waters. The bill to regulate fishing guides cleared the Senate on Monday.
Mark HeinzFebruary 24, 2025

‘Turkish Revolution’ Hits American Firearms Scene With Cheap, Plentiful Imports
Turkish firearms were once considered a joke in the United States. Now they’re becoming wildly popular with American shooters, frequently selling for a fraction of the price of domestic brands.
Mark HeinzFebruary 23, 2025
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Colorado Senate Passes Sweeping Ban On Semiautomatic Firearms
Colorado lawmakers are one step closer to passing a sweeping gun ban on semiautomatic rifles, shotguns and pistols. A Wyoming gun rights advocate called it one of the nation’s most restrictive gun laws.
Mark HeinzFebruary 22, 2025

Wyoming Family’s Winchester Rifle Has Been Dropping Deer For A Century
A Winchester Model 1894 rifle has been in Cheyenne resident Bob Budd’s family for a century. He says it still shoots straight and symbolizes a connection with the past as his grandfather and father killed their first deer with it, as did Budd and his two sons.
Mark HeinzFebruary 22, 2025

Repeal Of Gun-Free Zones Is Close To Gov. Gordon’s Desk — Will He Veto It Again?
For the second year in a row, the Wyoming Legislature is close to giving Gov. Mark Gordon a bill to eliminate gun-free zones in the state. Gordon vetoed it last year, but isn’t saying if he’ll sign, veto or let it pass without a signature this year.
Mark HeinzFebruary 21, 2025

'Clean Kill' For Predators Bill Advances — Without Wolf-Whacking Ban
A controversial “clean kill” for predators bill advanced Thursday. That it doesn’t include a ban running over wolves with snowmobiles — aka wolf whacking — remains a sticking point for many.
Mark HeinzFebruary 21, 2025

Coyote Hunting Contest Prompts Wyomingites To Weigh Pros, Cons Of Events
Supporters of coyote hunting contests say that they’re helping big game herds. Opponents claim the events accomplish nothing and make Wyoming look bad.
Mark HeinzFebruary 21, 2025

Wyoming Legislator Pushes Back On Claim Shooting Prairie Dogs Is “Psychopathic”
A retired professor told a Wyoming legislative committee Thursday that shooting prairie dogs is “psychopathic.” That raised the hackles of the sponsor of a bill to allow shooting the critters from vehicles. It’s about pest management, he says.
Mark HeinzFebruary 20, 2025
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Coyote Hunt Organizer Says She's Getting Death Threats Over Upcoming Event
An organizer of a coyote predator hunting contest in Sublette County says she’s getting death threats because people are perceiving it to be a “celebration” of the torture and killing of a wolf there last year.
Mark HeinzFebruary 19, 2025

Repeal of Wyoming’s Gun-Free Zones Clear Major Hurdle, Headed To Senate
A bill to repeal Wyoming’s gun-free zone was unanimously approved by a Wyoming Senate committee on Tuesday, and will head to the Senate Floor. Testimony included input from “More Guns, Less Crime” author John Lott.
Mark HeinzFebruary 19, 2025

Eastern Black Bears Are Blimps, Dwarfing Wyoming Grizzlies
In Wyoming, a black bear over 400 pounds is considered a rare trophy. But back East, it would be puny. Bears there gorge on fresh crops and sometimes top 800 pounds.
Mark HeinzFebruary 18, 2025

Colorado “Mystery Wolf” Might Be From Wyoming
Fifteen wolves from Canada, have been spreading out across northwest Colorado after being released last month. There’s also reportedly another mystery wolf running around, although nobody is sure where it came from. It might be from Wyoming.
Mark HeinzFebruary 17, 2025

Outdoor Cats Are "Murder Machines" Killing Over 1 Billion Birds Every Year, Say Biologists
Letting pet cats out to roam might seem like it’s doing them a favor, but don’t be fooled — Fluffy is a murder machine. “The estimates are that cats in the U.S. kill a billion birds a year. A billion,” one wildlife biologist told Cowboy State Daily.
Mark HeinzFebruary 16, 2025

Gillette Man Builds Black Powder Cannons, Lets Kids Shoot Them
What began as an outreach for troubled youth led to a Gillette machinist's shop becoming a black powder cannon and mortar factory. Now he builds cannons and lets kids shoot in a safe, controlled environment with adult supervision.
Mark HeinzFebruary 16, 2025

Wyoming Must 'Close The Door' On Running Over Wolves With Snowmobiles, Schmid Says
Though his bill to ban running predators over with snowmobiles failed, Wyoming Rep. Mike Schmid says he’s determined to “close the door” on the practice in Wyoming.
Mark HeinzFebruary 16, 2025

Gun Owners Expect Trump To Lift Nearly 100-Year-Old Restrictions On Silencers
Under the Trump administration, Wyoming gun rights advocates hope that a 91-year-old restriction on suppressors — aka silencers — will be lifted. However, nobody expects fully automatic weapons to become readily available.
Mark HeinzFebruary 15, 2025
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Trump Order Might Help Wyoming Couple Get Back Guns Seized By ATF
Thanks to an executive order from President Donald Trump, a Sheridan couple who lost their guns in an ATF raid might get them back.
Mark HeinzFebruary 15, 2025

Sportsmen Rally Against “Bad Bills” They Say Would Ruin Wyoming’s Outdoor Paradise
With what they call “bad bills” being considered by the Wyoming Legislature, a group of hunters and anglers rallied outside the Capitol on Thursday. They say average people need more political clout to keep Wyoming an outdoor paradise.
Mark HeinzFebruary 14, 2025

With Repeal Of Wyoming’s Gun-Free Zones Likely, Opponents Ask For Exceptions
Even some opponents of a bill to repeal Wyoming’s gun-free zones seemed resigned to it likely passing during testimony before legislators Thursday. Now they’re asking for exceptions.
Mark HeinzFebruary 14, 2025

Trump Picks Former Wyoming Game And Fish Chief Nesvik To Head Fish And Wildlife
Only months after retiring as director of the Wyoming Game and Fish Department, Brian Nesvik has been picked by President Donald Trump to head the U.S. Fish and Wildlife Service.
Mark HeinzFebruary 12, 2025

Legislators: If State’s Paying $90M For New La Prele Dam, Public Needs Access
If $90 million of Wyoming taxpayer money is going toward rebuilding the LaPrele Dam near Douglas, the public should have recreational access to the reservoir, legislators say.
Mark HeinzFebruary 11, 2025
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‘Shot Heard ‘Round The World’ Observance To Honor 250th Anniversary Of Revolutionary War
Kevin Cox has organized an event on April 19 where gun owners in all 50 states will fire their guns at the same time on the 250th anniversary of the Revolutionary War, otherwise known as the "Shot Heard 'Round The World."
Mark HeinzFebruary 11, 2025
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Wyoming Redneck Chronicles, Part 2: Cheyenne Mechanic's .50 Caliber Black Powder Cannon
A fully-functional miniature black powder cannon sounds like the dream of many a Wyoming man’s inner 14-year-old. Cheyenne mechanic Geno Stecks agrees his .50 caliber piece – modeled after a Revolutionary War Naval gun – is an absolute hoot.
Mark HeinzFebruary 09, 2025

Are Wyoming Mountain Lions Better At Killing Each Other Than Hunters Are At Killing Them?
The best hunters of mountain lions? Mountain lions. A study of mountain lions in the Snowy Range Mountains suggests that the big cats can control their own population just as well, or better, than hunters can.
Mark HeinzFebruary 09, 2025
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Meet Tiny, A 2,000-Pound Texas Longhorn And Officially Registered Emotional Support Animal
Fed up with the “emotional support animal crock of crap,” a Texan decided it would be funny to try registering his massive longhorn steer as an emotional support animal. It worked.
Mark HeinzFebruary 08, 2025
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Feds Will Listen To Wyoming This Time About BLM Rock Springs Plan, Former Trump Interior Official Says
A former high-ranking Dept of Interior official told Cowboy State Daily that the BLM's Rock Springs area plan will likely be heavily revised toward Wyoming’s liking and will be "very respectful" of Gov. Mark Gordon's recommendations.
Mark HeinzFebruary 07, 2025

Without Stiffer Trespass Law, There Could Be Gunfights, ‘Blood On The Prairie,’ Lawmaker Says
A bill that would have stiffened Wyoming’s hunting trespass penalties died in committee on Thursday. The bill’s sponsor warned of violence if more isn’t done to curb trespassing. "I fear there will be shootouts and blood on the prairie,” Rep. Allemand said
Mark HeinzFebruary 06, 2025
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Trump Administration Shuts Down Controversial Biden-Era Rock Springs Management Plan
Sweetwater County officials were thrilled at news that a controversial federal land management plan had been shut down by the Trump administration. Newly-appointed Secretary of the Interior Doug Burgum made the decision late Wednesday.
Mark HeinzFebruary 06, 2025

Wyoming Game And Fish Director Says “Stars Are Aligned” For Grizzly Delisting
Wyoming Game and Fish Director Angi Bruce told legislators Tuesday that getting grizzlies delisted is a top priority for the agency. “I think the stars are aligned,” she said.
Mark HeinzFebruary 04, 2025

In Brief: Bill To Regulate Out-Of-State Fishing Passes House
A bill intended to prevent Wyoming’s prized fishing waters from being mobbed by out-of-state guides passed the Wyoming House on Monday and is headed for the Senate.
Mark HeinzFebruary 04, 2025

Shooting Complex Budget Swells To $19.5M, Including $3.5M More From State
The anticipated budget for a “world-class” shooting complex near Cody, Wyoming, is up from $10 million to $19.5 million, including another $3.5 million from the state.
Mark HeinzFebruary 04, 2025
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Wyomingites Could Concealed Carry In All 50 States Under Bills Trump Favors
Wyomingites might be able to carry concealed firearms in all 50 states, if Trump-backed legislation passes Congress. A pair of bills making their way through Congress would make concealed carry permits valid in all states.
Mark HeinzFebruary 04, 2025
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Like Wolves, Wyoming’s Stray Cats Aren’t Protected From Torture
Wyoming’s stray cats could end up benefiting from a push to protect wolves from torture. Like wolves, they’re considered predators, and some advocate for controlling their numbers through spaying or neutering rather than shooting them.
Mark HeinzFebruary 02, 2025