Migratory elk summer range in the Thorofare Wilderness (IMAGE)

University of California - Berkeley

Migratory elk summer range in the Thorofare Wilderness

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In a new study, a UC Berkeley-led team of biologists observed gray wolves near Yellowstone National Park traveling 20 kilometers or more over rugged, mountainous terrain, with very young pups in tow. It is the first time gray wolves outside of the Arctic have been observed migrating, or shifting their territorial range, to be closer to prey during pup-rearing season. This photo from the Thorofare Wilderness on the southeast side of Yellowstone National Park shows the summer range of one of Yellowstone’s migratory elk herds.

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Avery Shawler

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