Researchers: GPS Proves Grizzly Bears Actually Stalk Hunters in the Field

Photo Credit: USGS

Photo Credit: USGS

Eight Montana grizzly bears have been outfitted with GPS trackers in an ongoing study that could bring some unnerving news to hunters.

The study is aimed at bolstering the theory that grizzlies, which can be as stealthy as they are ferocious, stalk hunters from as close as the length of a football field in order to steal their prey. Already, data has shown at least one grizzly following oblivious elk hunters almost from the moment they left the parking lot, according to the Billings Gazette. Scientists believe the bear may have been following the humans in hopes of getting to a fallen elk before they did. . .

The Interagency Grizzly Bear Study Team, part of the U.S. Geological Survey, started the project over the summer, by tagging the grizzlies in the Grand Teton National Park. Next, the study team asked elk hunters to voluntarily carry some 100 GPS units that track their routes.

In the most clearly detailed example, a group of hunters turned on their GPS devices moments after leaving a parking area at around 6 a.m. When scientists analyzed their movements later and contrasted them with those of a nearby grizzly, it became clear the bear was tailing them.

The bruin stayed downwind of the hunters, at one point coming within 100 yards of them as they moved around a lake. At around noon, the bear bedded down for a nap, but easily picked up the hunters’ trail again when it awoke, according to the report. . . So attuned to the movements of hunters are the bears that scientists believe they may even listen for the sound of gunshots, knowing that they signal a meal to be scavenged. Grizzlies are known scavengers, and officials noted there have been cases of the mighty bruins attacking hunters as they dressed elk in the field.

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