Small beetles massacre the Rockies’ whitebark pines

National Public Radio: The Whitebark pine trees in the high-elevation areas of America's Northern Rockies have stood for centuries. But these formerly lush evergreen forests are disappearing at an alarmingly fast rate; what remains are eerie stands of red and gray snags. Warmer climates have sparked an outbreak of a voracious mountain pine beetle that is having devastating consequences for whitebarks and the wildlife that depend on them. If you want to see how quickly tiny mountain pine beetles are devouring Yellowstone's......

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