20 ILCS 805/805-135

The Department of Natural Resources has the power to exercise all rights, powers, and duties conferred by law and to take measures that are necessary for the implementation of rewilding as a conservation strategy in this State, including, but not limited to, the restoration of land to its natural state, the reintroduction of native species, particularly apex predators and keystone species, and the restoration of ecological processes as defined by State-specific baselines.