Species · Iowa · BBS 2025 Release · 1966–2024
Red-headed Woodpecker Population Trend in Iowa
Red-headed Woodpecker in Iowa has fallen sharply: down 61% on the route-weighted index since 1969.
-61%Since 1969
39Routes In State
57Years
Notable Red-headed Woodpecker Trends in Iowa
long arc declinecomputed index
Red-headed Woodpecker has fallen sharply in Iowa: down 61% on the route-weighted index since 1969.
Red-headed Woodpecker Population Forecast in Iowa
If the recent trend holds, Red-headed Woodpecker in Iowa is projected to fall about 100% by 2029 — from 4.3 in 2024 to a central estimate of 0.00 (95% range 0.00–4.3). A 5-year backtest shows a typical error of ±109.2%, with 60% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–4.395% range
±109.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.27 | 0.00 | 4.6 |
| 2026 | 0.09 | 0.00 | 4.4 |
| 2027 | 0.00 | 0.00 | 4.3 |
| 2028 | 0.00 | 0.00 | 4.3 |
| 2029 | 0.00 | 0.00 | 4.3 |
Red-headed Woodpecker Survey Routes in Iowa
| College Spgs | 16 | 2004 | 1967 |
| Mt Hamill | 14 | 2024 | 1967 |
| Red Rock | 12 | 2024 | 1968 |
| Panther | 11 | 2024 | 1967 |
| College Spgs 2 | 11 | 2023 | 2005 |
| Wales | 10 | 2018 | 1967 |
| Lafayette | 8 | 2024 | 2003 |
| Mccallsburg | 8 | 2024 | 1996 |
| Zearing | 7 | 1995 | 1967 |
| Washta | 7 | 2014 | 1967 |
| Maquoketa | 6 | 2024 | 1967 |
| Exline | 5 | 2024 | 1974 |
| Melrose | 5 | 2024 | 1974 |
| Sioux City | 5 | 2024 | 1968 |
| Bedford | 4 | 2018 | 1968 |
| Brooklyn | 4 | 2022 | 1967 |
| Neola | 4 | 2016 | 1968 |
| Kanawha | 4 | 2024 | 1967 |
| Gaza | 4 | 2023 | 1969 |
| Williamsburg | 3 | 2023 | 1967 |
| Hudson | 3 | 2022 | 1967 |
| Scranton | 3 | 2024 | 1967 |
| Rock Valley | 3 | 2024 | 1968 |
| Tipton | 3 | 2023 | 1993 |
| Washington | 2 | 2024 | 1967 |
Red-headed Woodpecker Population Trend in Other States
alabamaarkansascoloradoconnecticutdelawarefloridageorgiaillinoisindianakansaskentuckylouisianamarylandmichiganminnesotamississippimissourimontananebraskanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniasouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.