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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.

Find Mark Heinz

Latest from Mark Heinz

Fred Eshelman of North Carolina owns Iron Bar Holdings LLC, which owns land in Wyoming.

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

Bryan Englebert, an assistant aquatic manager with the Utah Division of Wildlife Resources, holds a giant lake trout from Flaming Gorge Reservoir. There is concern that lake trout are devouring too many of the reservoirs prized kokanee salmon.

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

Obsidian is a highly-visible and popular mamma grizzly in Yellowstone National Park. She’s pictured here with three large cubs.

Why So Many Grizzly Bears This Year On Social Media?

Photos of Wyoming grizzlies are blowing up all over social media. While that’s partly because there are more bears, it’s also because there are more people taking pictures of them, wildlife photographers say.

Mark HeinzMay 21, 2025

Three wolf pups are seen playing in this screenshot from video, taken in August 2024 in the Colorado mountains. At one point, the video pans to show two Jack Russel terries that seem alert, but not afraid, as they watch from the cab of a pickup. Now Colorado has four pairs of wolves though to be denning.

With Four New Denning Pairs Of Wolves, Colorado Could Have Wolf Pup Boom

With four pairs of wolves thought to be denning together in Colorado, that state is expecting a wolf pup boom. That could lead to numerous established wolf packs.

Mark HeinzMay 20, 2025

Former Wyoming Game and Fish Director Brian Nesvik needs to take charge of the U.S. Fish and Wildlife Service (FWS) before grizzlies can be delisted, said a former high-ranking official who oversaw FWS.

Grizzlies Likely To Be Delisted Once Nesvik Heads FWS, Former Federal Official Says

Former Wyoming Game and Fish Director Brian Nesvik needs to take charge of the U.S. Fish and Wildlife Service (FWS) before grizzlies can be delisted, says a former high-ranking federal official who oversaw the agency.

Mark HeinzMay 20, 2025

his momma bear was the first grizzly to appear with a new cub in the Lamar Valley in Yellowstone National Park this spring. On Monday, she led her cub across a foot bridge over Soda Butte Creek and then fended off a huge wolf that was trying to devour the cub.

Momma Grizzly Doesn’t Mess Around When Wolf Tries To Snatch Her Tiny Cub

The first grizzly bear to appear this spring with a new cub in Yellowstone National Park’s Lamar Valley wasn’t messing around when she fended off a huge wolf trying to snatch her tiny cub.

Mark HeinzMay 19, 2025

Wyoming Game and Fish announced Monday that a male grizzly that was killing cattle has been captured near Cody and relocated. Grizzlies attacking cattle is the most common type of grizzly-human conflict in northwest Wyoming.

Game And Fish Captures, Relocates Grizzly That Killed Cattle Near Cody

Wyoming Game and Fish announced Monday that a male grizzly that was killing cattle has been captured near Cody and relocated. Grizzlies attacking cattle is the most common type of grizzly-human conflict in northwest Wyoming.

Mark HeinzMay 19, 2025

Replacing roughly 24 miles of old woven wire fence with wildlife-friendly fence on a ranch in Sweetwater County has saved countless antelope, deer and elk.

Wyoming Rancher Hopes Fence Will Prevent Another ‘Absolute Carnage’ Of Antelope

It's hoped that upgraded fencing on a family ranch in Sweetwater County will save countless antelope, deer and elk. Old woven-wire fence was choking off wildlife migration routes, which contributed to “absolute carnage” during winter 2022-23.

Mark HeinzMay 19, 2025

Gun ownership is rising among women in Wyoming, who are also increasingly taking tactical shooting classes to learn self-protection.

More Wyoming Women Have Guns — And Are Trained How To Use Them

In Wyoming, and across the country, more women are buying guns and taking courses to learn how to shoot them. Jason Crotteau, who runs the Riverton-based Wyoming Tactical shooters’ training company, says self-protection is the reason why.

Mark HeinzMay 17, 2025

File Photos: Witnesses in Montana claim they saw a National Guard chopper illegally land on private property, and the crew grabbing shed elk antlers. If true, the guardsmen responsible will be punished, a general said.

Montana National Guard Accused Of Illegally Using Black Hawk To Snag Elk Antlers

Witnesses in Montana claim they saw a National Guard chopper illegally land on private property, and the crew grabbing shed elk antlers. If true, the guardsmen responsible will be punished, a general said.

Mark HeinzMay 14, 2025

Demonstrating a suppressor attached to a Traditions 350 Legend.

Bills Lifting Ban On So-Called Silencers, Short-Barreled Rifles Stall In U.S. House

Gun rights advocates say a Congressional committee stalled bills to lift bans on suppressors and short-barreled rifles and shotguns. Wyoming’s delegates say they support the bills.

Mark HeinzMay 14, 2025

Wildlife photographer Jeff Plumb observed and photographed Grizzly 1063 with her three yearling cubs less than a week before two of the cubs were found dead, aparantly victims of a boar grizzly.

Male Bear Kills, Cannibalizes 2 Of Grizzly 1063’s 3 Yearling Cubs In Grand Teton

Fans of a prominent female grizzly in Grand Teton National Park were saddened to learn Wednesday that two of her three yearling cubs were apparently killed and cannibalized by a male bear. While brutal, it’s what male bears do.

Mark HeinzMay 14, 2025

Other Authors

Spring turkey hunting in Wyoming has been excellent this year. The state’s wild turkey population is thriving, according to the Wyoming Game and Fish Department.

Population Boom Means There Are Tons Of Turkeys For Wyoming Hunters

There’s never been a better time to take up turkey hunting in Wyoming. A population boom means there are tons of wild turkeys around for the spring season.

Mark HeinzMay 13, 2025

Roughly $16 million in federal funding is on hold for a $28 million wildlife crossing along U.S. Highway 26 near Dubois. The Wyoming Game and Fish Department and others are determined to push the project forward anyway.

Short $16M In Federal Money In Limbo, Wildlife Crossing Near Dubois On Hold

Roughly $16 million in federal funding is on hold for a $28 million wildlife crossing along U.S. Highway 26 near Dubois. The Wyoming Game and Fish Department and others are determined to push the project forward anyway.

Mark HeinzMay 13, 2025

Snow King Mountain near Jackson has become a hot spot for concerts, drawing big-name artists playing alternative rock, electronic music, country, blues and more.

Wyoming Growing Into A Music Concert Hot Spot — And Not Just For Country

Wyoming is no longer an unknown backwater when it comes to live music. Big name artists such as Wilco, Primus and Luke Grimes are booking shows here for 2025, while other big names to discover Wyoming include Jelly Roll, Ice Cube, Ludcris and T-Pain.

Mark HeinzMay 13, 2025

A visitor to Yellowstone National Park gets up close and personal to a bison to get a selfie with it in May 2023.

Ornery Bison Don't Just Gore People, They Break Bones And Crush Organs

Most bison “goring” attacks involve massive blunt force trauma, not people getting skewered by horns in the torso. An emergency room doctor says people who get too close can suffer broken bones, crushed organs and also can take a horn to the butt.

Mark HeinzMay 12, 2025

Drones have been used to chase wolves away from cattle in Oregon. There’s hope the tactic might work in Wyoming and Colorado.

Latest Tactic To Keep Wolves Away From Livestock: Dive-Bomb Them With Drones

Dive-bombing wolves with drones equipped with lights and speakers have scared them away from cattle in Oregon and a wolf conservation advocate hopes to work with ranchers in Colorado and Wyoming to see if drones have a similar effect here.

Mark HeinzMay 11, 2025

Bambi is a 250-pound Nubian goat who lives at the Home On The Range Animal Haven south of Laramie. An old back injury makes difficult for him to walk, so it’s hoped somebody can design a leg brace for him.

Bambi, A Disabled 250-Pound Goat That Lives South Of Laramie, Needs A Leg Brace

Bambi, a 250-pound Nubian goat, struggles to get around because of a back injury he suffered in a fight with a ram. The folks at a farm animal sanctuary near Laramie think he can walk again with a leg brace but crafting one has been difficult. So they're asking the public for help.

Mark HeinzMay 10, 2025

It’s hoped that a program called Access Granted can provide hunters more access to prime areas, while also respecting landowners’ rights.

Casper-Based Company Wants To End Feuding Between Hunters, Landowners

Tensions between landowners and hunters seeking access to game herds are nothing new, even leading to national attention for Wyoming’s high-profile “corner-crossing” case. A Casper-based company thinks it’s found the solution.

Mark HeinzMay 09, 2025

A helicopter drops old Christmas trees into Canyon Ferry Lake, a reservoir on the Missouri River near Helena, Montana. The trees provide spawning habitat for yellow perch and shelter for their hatchlings.

Helicopter Drops Christmas Trees Into Popular Montana Lake To Save Yellow Perch

Walleyes were gobbling up too many yellow perch in Montana’s Canyon Ferry Lake. So, state officials started dropping old Christmas trees into water to provide spawning habitat and shelter for perch hatchlings.

Mark HeinzMay 08, 2025

A Florida man who was gored by a bison in Yellowstone on Wednesday was lucky. Another Floridian was killed by a bear this week, and yet another by an alligator.

Yellowstone Bison Goring The Latest In A Bad Week For Floridians Vs. Wildlife

A Florida man who was gored by a bison in Yellowstone on Wednesday was lucky. Another Floridian was killed by a bear this week, and yet another by an alligator.

Mark HeinzMay 08, 2025

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