Re-Wilding and Restoring Balance to Nature

In 1995, the gray wolf was reintroduced to Yellowstone National Park after a seventy-year hiatus. Scientists expected an ecological ripple effect, but the size and scope of the trophic cascade took them by surprise?

Wolves are predators that kill certain species of animals. But they indirectly give life to others. When the wolves reentered the ecological equation, it radically changed the behavioral patterns of other wildlife. As the wolves began killing coyotes, the rabbit and mouse populations increased. Thereby attracting more hawks, weasels, foxes, and badgers. In the absence of…