| Fourmile Island Rookery State Natural Area | |
|---|---|
 Nesting platforms | |
  Location of Fourmile Island Rookery State Natural Area in Wisconsin  Fourmile Island Rookery State Natural Area (the United States) | |
| Location | Dodge, Wisconsin, United States |
| Coordinates | 43°29′35″N 88°37′25″W / 43.49306°N 88.62361°W |
| Area | 15 acres (6.1 ha) |
| Established | 1965 |
Fourmile Island Rookery is a Wisconsin Department of Natural Resources-designated State Natural Area located within Horicon State Wildlife Area. It features a narrow, forested 15-acre island that serves as one of the largest heron and gull rookeries in the Midwest.[1]
- ^ "Fourmile Island Rookery State Natural Area". Wisconsin DNR. Retrieved 7 December 2013.