Plum Island Site - Credit: Wikimedia Commons
The Plum Island Eagle Sanctuary (Plum Island) is a 52-acre island in the Illinois River owned by the Illinois Audubon Society.Eaglets heading back into the wild Linda Girardi, (Chicago) Sun-Times Media. Publishing instance: The Naperville Sun, October 23, 2011 P17 It was purchased March 24, 2004 to act as a wildlife sanctuary, to protect foraging habitat for wintering bald eagles. It is close to Matthiessen State Park and adjacent to Starved Rock State Park. Read more on Wikipedia
Source: en.wikipedia.org