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A grizzly bear boar, grizzly bear sow, her three cubs dine on the bounty of Yellowstone with a pack of wolves in the Lamar Valley of Yellowstone National Park
Wolves are very efficient predators; the grizzly bears are bigger than the wolves. The wolves kill the prey then the grizzlies take the kill away from the wolves. The Yellowstone Grizzly has been one of the benefactors of wolf reintroduction because of the bonanza of protein that had been much harder to get, as grizzlies aren’t as efficient hunters as the wolves.