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
Momma Bobcat Makes Incredible Leap To Snag Turkey Out Of The Air
A trail camera captured a rare wildlife moment in Oregon, where a bobcat was recorded making an incredible leap to snag a wild turkey, mid-air. The video won the Trail Cam Pro 2025 video of the year award.
Mark HeinzApril 12, 2025
Dire Wolves Would Destroy Everything If Reintroduced In Wyoming, Biologists Say
A bioscience company’s announcement this week that it’s brought back long-extinct dire wolves raised a lot of eyebrows. But they would destroy everything if a breeding population of them were reintroduced in Wyoming, biologists say.
Mark HeinzApril 12, 2025
Second Colorado Wolf Reintroduced From Canada Dies In Wyoming
A second wolf that was transplanted from British Columbia, Canada, to Colorado crossed the state line into Wyoming and died here Wednesday, Colorado wildlife officials confirmed Friday.
Mark HeinzApril 12, 2025
52-Year-Old Federally-Led Grizzly Study Team May Be On Chopping Block
A federally-led grizzly bear study team that goes back to 1973 could soon be on the chopping block because of ongoing federal cuts. It’s unclear what that might mean for the future of Wyoming’s grizzlies.
Mark HeinzApril 11, 2025
Noem’s Rifle Pointing At Agent’s Face Broke Major Safety Rule, Wyoming Experts Say
Department of Homeland Security Secretary and former South Dakota Gov. Kristi Noem is taking heat this week after pointing a rifle at the head of an ICE agent during a photo op. Wyoming firearms experts say that breaks a major gun safety rule.
Mark HeinzApril 11, 2025
Laramie Residents Balk At Guns In Schools, School Board Says There’s No Choice
A crowd of Laramie residents turned out Wednesday evening to tell their school board that they don’t want concealed firearms allowed in local schools. The board said there’s no choice, because the Legislature did away with gun-free zones in Wyoming.
Mark HeinzApril 10, 2025
USAF Tested Its B-58 Jet Bomber By Ejecting A Bear Named Yogi At 35,000 Feet
In 1962, the Air Force ejected a bear named Yogi from a jet bomber going 870 mph at an altitude of 35,000 feet. In hindsight, a retired USAF colonel questions how anyone thought that was a good idea.
Mark HeinzApril 08, 2025
Yellowstone’s Blacktail Pond Is A Bison Death Trap, But A Buffet For Bears
The Blacktail Pond area in Yellowstone National Park can be a death trap for bison if they fall through ice or get trapped in muddy water and drown. But for the area's bears, it's a buffet.
Mark HeinzApril 07, 2025
Fearless Skunk Caught Stashing Its Dinner Of Roadkill In Mountain Lion’s Den
Skunks will eat just about anything and they’re fearless, as evidenced by a video of a skunk stashing its dinner of roadkill turkey in a mountain lion’s den.
Mark HeinzApril 07, 2025
Helicopter Plucks Trees From Colorado State Parks Like An Arcade Claw Game
Colorado Parks and Wildlife is using a contraption slung under a helicopter to pluck dead trees out of a state park, not unlike “claw machine” arcade games.
Mark HeinzApril 06, 2025
When Hunting Black Bears In Wyoming, Don’t Get Mauled By A Hangry Grizzly
After a relatively mild winter, Wyoming hunters are looking forward to spring black bear season. But lots of hangry and irritated grizzlies are out there, too.
Mark HeinzApril 05, 2025
Think You Can Survive A Charging Grizzly? Take On Wyoming’s ‘Robobear’
Think you can survive a charging grizzly just because you have bear spray with you? Wyoming Game and Fish’s “Robobear” is an eye-opener, as Cowboy State Daily reporters Clair McFarland and Mark Heinz recently learned.
Mark Heinz & Clair McFarlandApril 05, 2025
During Brutal Winter Die-Off, Antelope Got Lost, Trapped By Fences And Roads
Many of the antelope that froze or starved during the brutal winter of 2022-2023 got lost and died after they hit fences they couldn’t cross, according to a new University of Wyoming-led study.
Mark HeinzApril 04, 2025
Grizzly Killed A Man In Yellowstone In 1916, So They Blew It Up With Dynamite
The first documented fatal grizzly attack in Yellowstone National Park was in 1916 by a bear dubbed Old Two Toes. Federal workers responded by blowing the grizzly into oblivion using a garbage barrel booby-trapped with dynamite.
Mark HeinzApril 04, 2025
Laramie Firefighter Crushed In House Fire Determined To Make A Full Recovery
Laramie firefighter Dylan Schilt was left temporarily paralyzed when a massive stone chimney chase collapsed on him and a colleague on Feb. 28. He said Thursday he plans to make a full recovery.
Mark HeinzApril 03, 2025
Sweetwater County Turns To Hageman For Help On BLM Rock Springs Plan
It remains uncertain how the Bureau of Land Management’s plan for 3.6 million acres in south-central Wyoming will pan out. But Sweetwater County officials hope it stays to their liking.
Mark HeinzApril 02, 2025
UW To End Gun-Free Zones July 1 And Allow Concealed Guns Inside Buildings
With the repeal of Wyoming’s gun-free zones, concealed carrying of firearms will be allowed in University of Wyoming buildings starting July 1. It’s already legal to carry outside on campus grounds.
Mark HeinzApril 02, 2025
Rock Springs Hires Goat Army To Munch Its Way Through Clogged Canals
Rock Springs has weeds, brush and grass clogging vital drainage canals through the heart of town. An army of 300 goats has been let loose to gobble their way through.
Mark HeinzApril 01, 2025
Federal Fence Line Fight With Ranchers Is ‘Odd,’ Wyoming Attorney Says
An ongoing fence line fight between a South Dakota ranch family and the U.S. Forest Service has grabbed national attention. It also seems “odd,” says a Wyoming attorney who has handled land disputes.
Mark HeinzMarch 31, 2025
Missouri Trainer Wants All The Wyoming Curly-Haired Mustangs She Can Get
A Missouri horse trainer says she’ll take all the curly-haired Wyoming mustangs she can get. She says they’d be perfect for a prisoner-rehabilitation program similar to what the Wyoming Honor Farm has.
Mark HeinzMarch 30, 2025
Thousands Of Cranes Pour Into Wyoming For Spring Migration, Even A Few Whoopers
Sandhill cranes are pouring into Wyoming by the thousands during spring migration. A few rare whooping cranes are showing up too. Many cranes come here to nest and raise their young.
Mark HeinzMarch 29, 2025