What Stalks Wolves Across Europe

The fall of the Iron Curtain in 1989 brought many changes, but one of the more unexpected was that it enabled the wolves of Eastern Europe to begin expanding their range west, where they had been practically unknown for more than a century. Few large mammals, people included, had been permitted to cross from East to West before the Berlin Wall came down. From the guard towers along the border, soldiers had shot bears for fun.Today there are more than 21,500 wolves on the continent, a species of least concern. Their revival, a beacon of hope in the biodiversity crisis,...