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Reaping the Whirlwind: To Catch a Wolverine

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Honey badgers, HA. Meet the real king of bad attitude!

Just about a year ago, Utahns spotted a wolverine in their state–and, remarkably, the Utah DWR didn’t try to deny that what they were seeing was in fact a member of the species Gulo gulo. As we noted at the time, it’s standard operating procedure for most fish and game services to hotly deny that an apex predator may be present in their area. (This is generally because state DWRs don’t want to deal with said apex predator.) So it was that the state’s wildlife biologists were actually ready for when the wolverine surfaced again in a tornado of gluttony and teeth.

That tornado comment is not a metaphor; it is reporting. That wolverine killed 18 sheep in one night. Here’s what happened next.

The collaring effort started the morning of March 10 about 6 miles west of Randolph. A sheepherder who was tending sheep in the area came across an animal that was in the process of killing and wounding 18 of his sheep. (Did you know that the wolverine’s Latin name, Gulo gulo, means “glutton glutton”? Now you do.) The animal ran west as the sheepherder approached.

USDA-Wildlife Services was conducting livestock protection efforts in the area and sent both a helicopter and a fixed-wing aircraft to investigate. As Wildlife Services personnel flew over the area, they spotted the wolverine running through the snow. They immediately contacted their supervisor who in turn contacted the DWR.

Setting the trap

To increase the chance the wolverine would enter one of two barrel traps that DWR biologists were about to set, the sheepherder and personnel from the Utah Department of Agriculture and Food removed all but three of the 18 sheep from the area. Biologists then placed a dead sheep in each of the traps and hoped for the best.

“There was so much activity in the area that morning, I thought the wolverine would be long gone and we wouldn’t be able to catch it,” Christensen said.

Wildlife Services personnel checked the traps early on the morning of March 11 but found only dead sheep in the traps and no wolverine in sight. About mid-morning, the sheepherder visited the area. He noticed a door on one of the traps was down. Inside the trap was the first wolverine ever captured by biologists in Utah.

Examination and release

DWR biologists and a DWR conservation officer retrieved the traps and brought the wolverine back to their Ogden office. They sedated the animal and then drew blood, collected hair samples and took a series of measurements. Throughout the examination, they monitored the animal’s heart rate, breathing and temperature, applying alcohol and ice to its armpits and stomach to keep it cool. Before reversing the effects of the drug, they also attached a GPS collar to its neck.

Biologists determined the wolverine was a male between 3-4 years old. It weighed 28 pounds and — from the tip of its nose to the tip of its tail — was 41 inches long.

“The animal had good, sharp teeth,” Christensen said. “It was in really good condition.”

After the exam was completed, the animal was placed back in the trap and the effects of the drug were reversed.

“It took only a couple of minutes for it to start waking up,” Christensen said. “Pretty soon, it was wide awake and as lively as ever.”

Biologists then transported the wolverine to the North Slope of the Uinta Mountains and released it on public land on the evening of March 11.

Vital information from tracking

The chance to track this wolverine is priceless, and the GPS data will provide invaluable information to biologists. That tracking information will include when and where the animal travels, the size of its home range and the type of habitats it uses at different times of the year. All of this information will be used to manage wolverines in Utah, an area that’s at the very southern edge of the wolverine’s range in the U.S.

“Having a collar on this wolverine will teach us things about wolverines in Utah that would be impossible to learn any other way,” Christensen said. “Four different wolverine sightings were confirmed in Utah in 2021. Were we seeing the same animal or different animals? Having a collar on this animal will help us solve that riddle.”

 

5 Comments

5 Comments

  1. donald kunkel

    March 29, 2022 at 10:30 am

    utah dwr would have 18 sheep still alive to day if they had said there was a wolverine in the state of utah stupid dwr

  2. 303hubert

    March 16, 2022 at 10:25 am

    I once saw a wolverine in westcliff, Colorado on top of the South sangre le Cristo range but did not know that it was until a year later when I was watching a documentary on Netflix about a man tracking One in the wilderness.

  3. Mitch Barkett

    March 16, 2022 at 9:48 am

    Manage them with a gun.

  4. B H

    March 15, 2022 at 9:40 pm

    “this could have been prevented if the dwr would have said there was a wolverine in the state of utah and 18 sheep would be alive today and not dead stupid state dwr and fish and game department calif state employee”

    I’m not sure you read the article.

  5. donald wayne kunkel

    March 15, 2022 at 5:04 pm

    this could have been prevented if the dwr would have said there was a wolverine in the state of utah and 18 sheep would be alive today and not dead stupid state dwr and fish and game department calif state employee

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