Posted inNovember 25, 2013: Ecosystems 101

The Latest: Teton pronghorn migration helped by overpasses

BackstoryFor roughly 6,000 years, Wyoming pronghorn have migrated seasonally between the mountains of Grand Teton National Park and the warmer plains of the Upper Green River Basin. The roughly 100-mile journey is among the longest land migrations of North American mammals. But biologists worry that roadways and new energy and housing development threaten to fragment […]

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