Birding spots · Illinois
Best Birding Spots in Adams County, Illinois
Sid Simpson State Park leads Adams County's birding spots with 141 species reported, best in spring. 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 |
|---|---|---|---|---|---|
| Sid Simpson State Park | 141 | 35 | 112 | 71 | 81 |
| Pool 21 | 130 | 66 | 99 | 49 | 79 |
| Quinsippi Island | 118 | 47 | 97 | 49 | 56 |
| Siloam Springs State Park | 87 | 0 | 65 | 48 | 31 |