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US Forest Service Research & Development
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Clark's Nutcracker
Clark’s Nutcracker
Mike Ross
Clark’s Nutcracker

Clark's nutcracker and grizzly bears are negatively impacted by white pine blister rust, which – in combination with mountain pine beetle – is decimating high elevation white pines.

The nutcracker is also important to survival of the pine, because it caches seed to eat later, and frequently fails to find them all.

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