Winter kill on Wyoming deer

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Copied from elsewhere. Not good news for that part of WY.

Wyoming Range Winterkill Far Worse Than Thought: 80% Of Adult Deer & Nearly All Fawns Dead​

Winterkill losses in the famed Wyoming Range mule deer herd might be far worse than thought with as many as 80% of adult deer and nearly all the fawns dead.

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Mark Heinz
June 13, 20233 min read

Mule deer from the Wyoming Range herd struggle to move about and find food, as much of their winter range is covered in deep, crusted snow.

Mule deer from the Wyoming Range herd struggle to move about and find food, as much of their winter range is covered in deep, crusted snow. (Courtesy, Wyoming Game and Fish Department))

There’s been concern for months over just how hard this past winter slammed the Wyoming Range mule deer herd and adjacent populations, but it could be far worse than even the most pessimistic previous estimates.

As many as 80% of the adult deer in that region might have died and this year’s crop of fawns was essentially wiped out, Wyoming Game and Fish Director Brian Nesvik said Tuesday.

The Wyoming Range mule deer herd is one of the most prized herds in the West. Going into winter, it was thought to number about 30,000, Nesvik told the Wyoming Legislature’s Joint Travel, Recreation, Wildlife and Cultural Resources Committee.

Nothing Like He’s Ever Seen

The fate of other big game species in the hardest-hit areas, pronghorn and elk, hasn’t been fully determined, Nesvik said. Game and fish typically doesn’t do widespread herd counts in the spring.

The mule deer losses were gauged according to monitoring of deer migrating back to summer range as massive snowpacks finally melted off.

Some parts of Wyoming fared well over the winter, and overall the state’s elk numbers remain above objective for some herds, he said.

However, the winter was brutal enough is some places to kill significant numbers of elk, which he said is indeed rare.

“We did see some winter elk mortality. That’s not something I’ve seen in my career,” Nesvik said.

Hunting Tag Cuts

The worst kill zones included winter ranges in the regions around Pinedale, Kemmerer, the Green River area, parts of Sweetwater County, and to the south around Baggs, Nesvik said.

Pronghorn (commonly called antelope) in some place suffered doubly from the brutal weather as well as a rare strain of pneumonia that spread among herds, he said.

The Wyoming Game and Fish Commission earlier this year decided to cut roughly 10,000 antelope hunting tags because of the losses, and there were cuts to deer tags too.

“We had pronghorn hunt areas where we closed the season completely,” he said.

No deer seasons were shut completely down, although licenses for does were severely cut back or eliminated in some hunt areas.

“We have heard from a lot of people, ‘Shut everything down,’” Nesvik said. “But buck deer don’t have babies.”

As long as does are protected, herds should bounce back, he said.

“You can literally (have) one buck deer for every 20 does, and they’re all going to be covered,” he said.

Belt-Tightening

Hunting tag cuts, as well as a decline in nonresidents applying for elk tags, could affect Game and Fish’s revenue, Nesvik said.

Most of the agency’s budget comes from hunting and fishing license tags, as well as Wyoming’s share of federal taxes that hunters and anglers pay on things such as firearms, ammunition and fishing tackle.

Game and Fish has enough socked away to cover six months of operating expenses, so there shouldn’t be a budget crisis, Nesvik said. Large “one-time” expenses, such as new buildings or infrastructure improvements, might have to be put on hold.

He also noted that hikes in some nonresident special draw hunting tags could raise enough money to offset inflation in the costs of such things as fuel for Game and Fish vehicles.

Mark Heinz can be reached at mark@cowboystatedaily.com.
 
The drive from Baggs Wyoming to Craig Co and over to Vernal was horrible. Winter kill the whole way across, on the shoulder of the road, and far as you could see if you spot them hung up in a fence ect. Some areas it looks like a mass die off, but possibly plowed together when they cleared the roads. I'm glad to see residents agree with the Department to cut license allocation back or close areas.
 
They should shut down everything in those areas plus NW Colorado, which was also hit VERY hard. I say this, because we don't know what the next winter will bring. According to the DOW here in Colorado, it was the worst winter in 70 years!
 
They instituted a 4 point antler restriction on all those areas for deer. That alone will really reduce harvest just from the fact that there won’t be many 4 point bucks left. They also did cut an amazing amount of pronghorn tags statewide
 
I’ll tell you in October. Dad and I drew an elks tag west of Pinedale. We will see. Dad’s 78 so no waiting around. Hunt while you can.
 
I’ll tell you in October. Dad and I drew an elks tag west of Pinedale. We will see. Dad’s 78 so no waiting around. Hunt while you can.
Elk should be in a lot better shape, I’ll bet you guys have a great time. That’s pretty country
 
My brother is retired UFWS Field Agent Cody Wyoming. Here's his take on the Antelope recovery impacts.

There are some good population models that the biologists can use when they get good data. They've lost the 2022 cohort, what about the 2021 cohort (yearlings going into this past winter...). These are the ones that would replace the older ones at the other end of the age structure. Yearlings will only produce one fawn if good circumstances, it's their next year at 2 if in good condition when they'll produce 2 fawns, at 3 years they're good ~ life span 10 years.

Seems like Antelope in the hardest hit areas may take 3-5 years to rebound with good conditions.

Forgot to mention he's seen a lot of mule deer road kills recently leaving Cody towards Powell.
 

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