Birds, that is. I'd sure hate to be the guy with the broom in the 4th picture!
I feel marginally better paying my exhorbitant utility bill when I know We Energies supports projects like this.
The endangered bird population is beginning to come back to this area - in addition to the peregrines, which are an ongoing and very successful project, a bald eagle pair was spotted nesting on the north shore last summer. This spring, an eaglet hatched in one of the western suburbs.