Birding spots · Iowa
Best Birding Spots in Butler County, Iowa
Big Marsh Wildlife Management Area leads Butler County's birding spots with 163 species reported, best in spring. 1 spot in the county has 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 |
|---|---|---|---|---|---|
| Big Marsh Wildlife Management Area | 163 | 36 | 135 | 82 | 60 |