Should we bring mountain lions back to the Northeast?

The idea of reintroducing mountain lions to the Northeast—long absent since the 1800s—is gaining traction as a bold ecological restoration effort. Dr. Mark Elbrock of Panthera argues that bringing back this apex predator isn’t just about reviving a lost species, but about repairing ecosystems damaged by human activity. Mountain lions, he explains, don’t just hunt—they reshape landscapes through fear, reducing deer-vehicle collisions by up to 76% in areas where they’re present and redistributing nutrients by altering prey behavior. Despite occasional sightings in Vermont and a documented 2011 journey from South Dakota to Connecticut, no breeding populations exist in the region. Yet Elbrock insists the habitat is viable: forests are abundant, prey species like deer and raccoons are plentiful, and even highway crossings—though risky—can be managed with minimal infrastructure. The real barrier isn’t biology, but politics and public will. While surveys show broad public support across demographics, no state leader has yet championed the cause, and wildlife agencies are overwhelmed by existing priorities. The path forward hinges not on science alone, but on finding a political champion willing to make mountain lion reintroduction a legacy priority. The episode reveals a striking paradox: the Northeast’s ecosystems are healthier than ever, yet still missing a keystone predator.