Natural History Wanderings

The Guardian reports

Climate crisis, voracious beetles and disease are imperiling the long-term survival of a high-elevation pine tree that’s a key source of food for some grizzly bears across the US west.

Whitebark pine trees can live up to 1,000 years and are found at elevations up to 12,000 feet (3,600 meters), conditions too harsh for most trees to survive.

Read more at  Whitebark pine trees are dying across the US west. Could a federal proposal protect them? | Environment | The Guardian