Outdoors Reporter

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.

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Latest from Mark Heinz

Prairie dog advocates in Colorado say coyotes are gobbling up people's pets in Boulder County because prairie dogs are being relocated to make way for development. But officials say the area still has a healthy prairie dog population.

Group Says Colorado Coyotes Are Eating Pets Because There Are No Prairie Dogs

Prairie dog advocates in Colorado say coyotes are eating people's pets in Boulder County because prairie dogs are being relocated to make way for development. But officials say the area still has a healthy prairie dog population.

Mark HeinzJanuary 07, 2026

Not Settled Yet: Wyoming Hunter Access Issues Will Likely Repeat In 2026

In 2025, hunters fought public-land access challenges in the courts and even by helicopter. While some legal issues about “corner-crossing” are settled, the tension over hunters accessing public lands remains into 2026.

Mark HeinzJanuary 05, 2026

After a “state-of-emergency” power outage in Canada last week — on the heels of a massive outage in Wyoming — some Wyomingites say they’re thankful for off-grid power options. Others say they just hate power companies.

Home Generator Owners Say Peace Of Mind Is Worth The Investment

After a massive “state-of-emergency” power outage in Canada last week — on the heels of a massive outage in Wyoming — those who have invested in generators and other off-the-grid options say it's worth it. Others say they just hate power companies.

Mark HeinzJanuary 05, 2026

A rural county in New Mexico makes children sit inside cage-like roadside shelters called “wolf houses" while waiting for school buses. That’s because their parents worry that wolves in the area might attack the children.

Why New Mexico Kids Wait In Protective ‘Wolf Houses' At School Bus Stops

Parents in a New Mexico county are worried their children might get attacked by wolves so they've built cage-like shelters for them at bus stops. Critics say it's ridiculous as there hasn't been a fatal wild wolf attack on a human in the lower 48 for 100+ years.

Mark HeinzJanuary 03, 2026

Wildlife filmmaker Casey Anderson set motion-activated cameras in two grizzly dens north of Yellowstone National Park in 2015. He finally recovered the cameras during the summer of 2025, and found they’d captured images of numerous wild animals.

Man Leaves Cameras In Grizzly Caves north Of Yellowstone, Captures Decade Of Video

Wildlife filmmaker Casey Anderson left stop-motion cameras in two grizzly dens north of Yellowstone in 2015 and forgot about them. Last summer, he went back to the caves and, to his amazement, recovered the cameras and more than a decade of footage.

Mark HeinzJanuary 03, 2026

Experts Say Woman Killed In Colorado Mountain Lion Attack A Rare Tragedy

At least one mountain lion — and possibly two — apparently attacked and killed a woman hiking in Colorado on Thursday. Mountain lion experts say attacks on humans are extremely rare, without an officially documented fatal mountain lion attack in Wyoming.

Mark HeinzJanuary 03, 2026

Grand Tetons climbing Cavan Images via Alamy 1 2 26

Researchers Say 'Biophobia' — An Irrational Terror Of Nature — Is A Thing Now

A crippling fear of nature called “biophobia” is becoming more common, researchers say. A Wyoming backcountry guide said he’s skeptical, and conversely has seen exposure to nature change lives for the better.

Mark HeinzJanuary 02, 2026

For some, prairie dog hunting isn’t as simple as driving around until they find the rodents. Serious hunters hire guides to take them to target-rich prairie dog towns.

Group Says Prairie Dog ‘Massacre’ Litters Plains With Lead-Riddled Carcasses

People who “massacre” prairie dogs in Colorado should have to pick up the lead-riddled carcasses, says a group calling for more regulation of hunting the rodents. The hunting also leads to other wildlife getting lead poisoning, it says.

Mark HeinzDecember 31, 2025

Kamra is a mama racoon that got into trouble when she trashed someone’s vehicle in Cheyenne. She was reunited with her four offspring at the Broken Bandit animal rescue east of Cheyenne.

Wyoming Animal Rescue Says Raccoon Reunion With Her Babies Favorite Story Of 2025

Patricia Wyer has seen many animals come and go at her wildlife rescue center near Cheyenne, but her most heartwarming tale of 2025 is that of a momma raccoon who lost her babies, trashed a pickup in her angst, but then got a second chance.

Mark HeinzDecember 30, 2025

Sand Creek Road just off the Snowy Range Scenic Byway is hugely popular with local residents, and this winter it’s getting plowed. But only logging trucks are allowed on it, as in this file photo.

Snowy Range Residents Pleased Sand Creek Road Getting Plowed For Winter Logging

Many locals in the Snowy Range are pleased that a logging road is getting plowed this year even though they can't use it. Because of the "ghost forests" (massive stands of dead trees killed by pine beetle epidemics), they're just happy for the winter logging.

Mark HeinzDecember 28, 2025

Hunting in Wyoming’s grizzly country is intimidating, but with the right mentality going in, it doesn’t have to be terrifying. Overcoming that fear of getting mauled is a big part of hunting where grizzlies live.

Overcoming Fear Of Getting Mauled A Big Part Of Hunting In Grizzly Country

Celia Easton of Thermopolis said being attacked by a grizzly last October while she was elk hunting alone in the Beartooth Mountains has left her shaken. “Until you go through something like that, you don’t understand what it does to you,” she said

Mark HeinzDecember 28, 2025

A team of French researchers has published a study claiming teddy bears are too cute and cuddly to give children a realistic view of the apex predators, or nature in general. Bear experts in Wyoming laughed at the study and said that seems ridiculous.

French Researchers Concerned Teddy Bears Give Children Unrealistic View Of Nature

French researchers published a study claiming teddy bears are "too cute" and give children the wrong view of nature. Bear experts told Cowboy State Daily that if people are idiots around grizzlies, it's not because they had teddy bears growing up.

Mark HeinzDecember 27, 2025

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The company proposing a 900-megawatt project at Seminoe Reservoir in Carbon County claims that restrictions aimed at protecting big horn sheep there will make it too expensive, driving costs up by $1.6 billion.

Company Says Protecting Seminoe Bighorn Could Add $1.6B To Power Project Costs

The company proposing a 900-megawatt power generation project at Seminoe Reservoir in Carbon County claims that restrictions aimed at protecting bighorn sheep there will make it too expensive, driving costs up by $1.6 billion.

Mark HeinzDecember 26, 2025

Tourists piling out of tour van parked in the middle of the road in Yellowstone National Park, which is against park rules. They also park in the flow of traffic.

Company Denies Claims That Yellowstone Tour Buses Routinely Block Roads

It's against the rules to stop in the middle of the road in Yellowstone National Park, but people do it anyway. Some claim big tour companies get away with it, but the park’s largest tour provider says that’s not the case.

Mark HeinzDecember 26, 2025

Mark Heinz: Cancer Took Randy Svalina's Leg But That Didn't Stop Him

Mark Heinz writes, "if you twisted my arm, I'd have to say the tale of Randy Svalina of Laramie was my favorite of 2025. "After a decades-long battle with bone cancer, he ended up losing most of a leg recently. But he wasn’t about to let that stop him, or even slow him down much, from working, spending time with his family, or even hunting."

Mark HeinzDecember 24, 2025

Unseasonably warm weather has kept some grizzlies out late, so keep your eyes peeled if you’re taking advantage of spring-like temperatures to go hiking.

Some Wyoming Grizzlies Still Out Roaming In Unusually Warm Weather

Unseasonably warm weather has kept some of Wyoming’s grizzlies out late, so keep your eyes peeled if you’re taking advantage of spring-like temperatures to go hiking. Normally, they’d be hibernating with full bellies by this time of the year.

Mark HeinzDecember 24, 2025

A cow moose that locals call “Big Betty” has been handing around Evanston. So far, she’s behaved herself, and wildlife agents haven’t been dispatched to catch her.

Urban Moose Named 'Big Betty' Seems Right At Home Wandering Around Evanston

A cow moose nicknamed "Big Betty" has been calmly wandering around Evanston, delighting residents and avoiding trouble. Wildlife officials say she is unusually peaceful, but still warn people to keep their distance.

Mark HeinzDecember 21, 2025

Big Piney Toddler Battles Leukemia As Brothers Compete To Be Donor

Traxton Rex Bennett (aka “T-Rex”) can’t be home in Big Piney for Christmas. He's in a Utah hospital fighting a rare form of Leukemia. He has lots of support, including two big brothers who are arguing over who gets to be his bone marrow donor.

Mark HeinzDecember 20, 2025

A cow elk viciously stomping a mountain lion, and her own calf, is indicative of the pressure Idaho elk feel from predators, a hunter said.

Cow Elk Stomps Mountain Lion In Desperate Bid To Save Calf

Caught between wolves, mountain lions and grizzly bears, elk are struggling to fend off predators. A trail camera video shows the elk's desperation as it viciously pummels a mountain lion that has her calf by the neck.

Mark HeinzDecember 19, 2025

Starlings fly in a tight, swirling pattern called “murmuration” over farmland north of Torrington.

Weird Bird Tornado Near Torrington Was A Wild Flight Of Starlings

A swirling “bird tornado” over farmland near Torrington turned out to be a flock of European starlings. While a sight to see, starlings are an invasive species in Wyoming that harm native birds and crops.

Mark HeinzDecember 19, 2025

Nearly four months after committee approval, U.S. Senate confirmation is imminent for Wyoming’s Brian Nesvik as head of the U.S. Fish and Wildlife Service. Sen. John Barrasso on Wednesday blasted Democrats for blocking Trump’s nominees.

New Wildlife Chief Brian Nesvik Says Grizzly Delisting Could Be Two Years Away

New U.S. wildlife chief Brian Nesvik told Cowboy State Daily on Thursday that It could take another two years to work through an analysis of the data on grizzlies and reach a final decision regarding delisting. As for hunting, he said that would be left to the states to decide.

Mark HeinzDecember 19, 2025