The vital predation element of the ecosystem has been missing in this land for hundreds of years, since wolves were hunted to extinction. Killing the wolves was a massive blunder on our part. Ecosystems need apex predators because they elicit dynamic ecological changes that ripple down the food chain, and these are known as ‘trophic cascades.’ With their return the landscape will change for the better—more habitats for wildlife will be created, soil health increased, flood waters reduced, carbon emissions captured. Animals of all shapes and sizes will return to these lands.”