Birding spots · Illinois
Best Birding Spots in Iroquois County, Illinois
Iroquois Lake leads Iroquois County's birding spots with 141 species reported, best in fall. 4 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 |
|---|---|---|---|---|---|
| Iroquois Lake | 141 | 20 | 95 | 74 | 111 |
| Iroquois County State Fish and Wildlife Area | 120 | 29 | 92 | 69 | 8 |
| Kankakee National Wildlife Refuge and Conservation Area | 120 | 24 | 108 | 53 | 36 |
| Birding spot near Milford | 115 | 31 | 86 | 55 | 49 |