For decades, young trees struggled to grow in Yellowstone National Park. But thanks to the reintroduction of gray wolves in 1995, a new generation of quaking aspens is finally making its way into the forest canopy — a milestone unseen in the northern Yellowstone range for nearly 80 years. The story of Yellowstone’s forests is … Continue reading Yellowstone wolves make a comeback, sparking aspen growth not seen in 80 years