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"Whitebark Pine That Feeds Grizzlies Is Threatened, US Says"

"Whitebark pine trees can live more than 1,000 years, but in just two decades more than a quarter of the trees that are a key food source for some grizzly bears have been killed by disease, climate change, wildfires and voracious beetles, government officials said as they announced federal protections Wednesday."

Source: AP, 12/15/2022

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