Birding spots · Illinois
Best Birding Spots in Grundy County, Illinois
Goose Lake Prairie State Natural Area leads Grundy County's birding spots with 216 species reported, best in fall. 9 spots in the county have enough data to rank.
Species counts are birds reported at least three times in that season at that spot, 2016–2025. Busy spots list more species simply because more people look, so compare the checklist counts. Spot names come from public map data and hotspot listings.
| Spot | Species | Winter | Spring | Summer | Fall |
|---|---|---|---|---|---|
| Goose Lake Prairie State Natural Area | 216 | 78 | 166 | 117 | 168 |
| Illinois and Michigan Canal State Trail (Little Dresden Island) | 132 | 31 | 110 | 50 | 70 |
| Gebhard Woods State Park | 119 | 27 | 107 | 40 | 63 |
| Illinois and Michigan Canal State Trail (Aux Sable) | 118 | 15 | 98 | 72 | 56 |
| Dresden Island Pool | 118 | 30 | 72 | 57 | 67 |
| William G. Stratton State Park | 73 | 21 | 55 | 24 | 7 |
| Birding spot near Morris | 179 | 61 | 95 | 75 | 131 |
| Birding spot near Lorenzo | 66 | 43 | 21 | 23 | 30 |
| Birding spot near Minooka (southwest) | 59 | 4 | 46 | 22 | 15 |