Birding spots · Iowa
Best Birding Spots in Decatur County, Iowa
Nine Eagles State Park leads Decatur County's birding spots with 137 species reported, best in spring. 7 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 |
|---|---|---|---|---|---|
| Nine Eagles State Park | 137 | 19 | 123 | 55 | 41 |
| Slip Bluff Park | 102 | 20 | 81 | 65 | 31 |
| Little River Wildlife Management Area | 91 | 38 | 58 | 13 | 47 |
| Lake LaShane | 89 | 40 | 66 | 17 | 19 |
| Home Lake | 76 | 27 | 33 | 41 | 15 |
| Slip Bluff Lake | 47 | 7 | 30 | 24 | 16 |
| Big G Lake | 42 | 25 | 14 | 13 | 4 |