Up until the 1940s, the breeding population peregrine falcons had changed little since mid-1500s to early 1600s. But in the 1950s and 1960s, a dramatic drop in the number of peregrine falcons was ...

Due to their efforts, 20 percent of all peregrine falcons born in Wisconsin during that time hatched at We Energies or WPS facilities, helping the endangered species grow and thrive.