What does a beautiful mountain valley have to lose if the invasive plant cheatgrass takes hold? Meet the Gunnison sage-grouse, a threatened species of bird that lives almost entirely in Colorado's Gunnison Valley.
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What does a beautiful mountain valley have to lose if the invasive plant cheatgrass takes hold? Meet the Gunnison sage-grouse, a threatened species of bird that lives almost entirely in Colorado's Gunnison Valley.