Bear and grey wolf interractions in the wild

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Wolves often kill and eat Bears

The Surprising Relationship Between Wolves & Bears

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It may come as a surprise to many that wolves eat bears. This is a problem that seems to be growing anywhere the two species overlap.

My 18-year-old son Dawson sat in a stand beside me as we watched a medium sized bear feed at the bait. It was the first day of my bear hunt in Ontario a few years ago, and Dawson was filming the hunt for me as he often did. The bear was not one I would consider shooting on the first day of the hunt. Suddenly, the bear stood up and looked into the bush, then spun around and rocketed out of the area as if he had been shot out of a canon.

Dawson reached for the camera and turned it on. He’s filmed enough bear hunts to know that when the small bear leaves in a hurry, there’s a good chance a bigger bear is about to make an appearance. But I was conflicted as I watched the bear streak out of the area. I’d seen a lot of bears around baits and I had never seen one leave in such a state of total panic.

A moment later, the issue came into clear focus as a timber wolf trotted in and looked over the area. He sniffed around a little, made a half circle around the bait site, then left on the trail of that 200-pound bear. It wasn’t my first introduction to the fear that wolves put into bears, but it was a graphic one.

As wolf numbers have increased across North America in the last couple decades, their effect on deer populations has generated a lot of attention among sportsman’s groups and in the media.

No doubt there are a lot of teeth in the woods, and wolves have significantly reduced deer numbers in many areas, but there are other animals suffering at the rise in wolf populations and they haven’t been getting the attention they deserve. The black bear is a prime example.

Many bear hunters, guides and outfitters are getting a wake-up call about how the high numbers of wolves and low numbers of deer are affecting the amount of predation on black bears.

On my bear baits in Minnesota, I have seen active bear baits go completely dead when wolves move into the area. Wolves will eat some types of bear bait, but that’s not the real reason they hang around. Wolves eat bears.  And what better place to find a bear than the high-percentage area in the vicinity of a bear bait?

I have long suspected that wolves could be a real problem for bear populations, in fact I have seen wolf scat full of bear fur on several occasions, but in speaking with biologists, none could verify that it’s common for wolves to kill and eat bears.

In fact, most biologists are very reluctant to say anything that would cast wolves in a bad light. Considering the emotionally-charged political climate surrounding wolves, many people within the game departments of states where wolf populations are at issue just seem to avoid the subject.


"Wolves hang around bear baits not just for the bait, but because they know it’s a high-odds place to get a meal of black bear meat. Once the wolves arrive, baits often go dead as the bears abandon them."..

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Woodsmen, trappers, hunters and outfitters in areas with high bear-wolf interactions aren’t so inhibited. Mike Foss, a long time bear hunting outfitter in Northern Wisconsin is frustrated by the lack of understanding about how much effect wolves have on bear populations.  He has come across the remains of bears killed by wolves in the forests and he feels the problem is increasing.

“Not only is our deer population having a difficult time rebounding from dismal numbers caused in part by wolf predation over the past decade,” he says, “but some bear guides, including me, believe our great bear population is literally under attack, specifically cubs and younger, immature bears.”

He claims that much of the predation takes place in the winter where wolves pull bears out of the dens and eat them. He cites a fellow guide who found evidence of wolf predation at three bear dens late last winter.

And he’s not alone. Tom Ainsworth, long-time bear outfitter in the Duck Mountains of western Manitoba says it’s common in his area as well. He puts out bear bait on snow machine in late winter and he’s noted where wolves have killed bears on several occasions. He says wolves will kill bears whenever they have the right opportunity. One of his guides is a veteran wolf trapper who claims to have come across many cases where wolves have caught bears in their dens, drug them out and killed them. Wolves will also target cubs all year whenever they are far enough from a climbable tree.


Hunter examines a carcass of a bear killed and eaten by wolves:

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In that part of Manitoba, trappers and hunters target wolves all winter which helps keep the problem somewhat under control. But in Wisconsin, the lack of opportunities to control wolf populations along with mild winters has created a perfect storm for high predation rates and many bear enthusiasts are becoming alarmed.

There are more cameras in the woods than at any time in the past, and instances of interactions between bears and wolves are on the rise. The advent of phones with cameras has added to the documentation of wolf predation on bears. Blogs, social media and YouTube have examples with photos and videos show evidence of bears being pulled from the dens and eaten by wolves.

But are the cameras just catching what has been common all along, or are the numbers of bears being killed by wolves on the rise? Mike Foss feels that wolves are targeting bears more and more. “Is there now such a predator-prey imbalance—not helped by federal judicial protection of the wolf—that deer numbers can’t recover and other prey, including the black bear, is providing an alternative food source? I believe that is probable.”

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