Army cutworm moths (Euxoa auxiliaris; moths) are an important seasonal higher elevational food source for grizzly bears (Ursus arctos horribilis; bears) in the Greater Yellowstone Ecosystem (Wyoming, ...

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For grizzlies in Canada and Alaska, salmon is an important food source. Another major food source for some grizzlies is army cutworm moths — during the summer, a grizzly in Yellowstone may consume up ...