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. Hes 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
For 99 Years It’s Been Illegal To Mail A Handgun, That Soon Could Change
Wyoming gun advocates are applauding Thursday's U.S. Dept. of Justice opinion that says a 1927 law banning the practice of mailing handguns is unconstitutional. UW law professor George Moscary says to use caution, however, as "it's a complicated area of law."
Mark HeinzJanuary 16, 2026
Hageman To Nesvik: Grizzlies Need To Be Delisted Because They Keep Mauling Hunters
At a hearing in Washington, D.C., U.S. Rep. Harriet Hageman told Fish & Wildlife Dir. Brian Nesvik that grizzlies need to be delisted because they are mauling too many hunters. Nesvik agreed and said he believes the grizzly population has recovered.
Mark HeinzJanuary 15, 2026
Yellowstone Coyotes Square Off In Aggressive Standoff Biologists Say Is All Show
Two coyotes in standoff over a bison carcass in Yellowstone National Park arched their backs, raised their paws and bared their teeth so aggressively it might be easy to assume they were ready to rip each other apart. Biologists say it’s all for show.
Mark HeinzJanuary 14, 2026
Geese Steal Osprey Nests, Forcing The Birds To Risk Electrocution
Canada geese sometimes hog elevated nesting platforms from osprey in Wyoming. So, the ospreys try building nests on powerline poles instead — and get electrocuted.
Mark HeinzJanuary 13, 2026
Young Jackson-Area Bear Still Out In January Might Be Confused By Warm Weather
A young black bear has caused a stir in the Jackson area, spotted still awake and running around in January. A local wildlife tour guide said it’s not unheard of, but the unseasonably warm weather may have confused the bear about when bedtime is.
Mark HeinzJanuary 12, 2026
Big Piney Teen To Donate Bone Marrow To Save Toddler Brother From Leukemia
Following up on a story we did last month, the medical verdict came in and 13-year-old Dayton of Big Piney is the perfect match to donate bone marrow to his 2-year-old brother Traxton, who is battling a rare form of leukemia.
Mark HeinzJanuary 11, 2026
