Species · Montana · BBS 2025 Release · 1966–2024
American Three-toed Woodpecker Population Trend in Montana
American Three-toed Woodpecker in Montana has declined: down 37% on the route-weighted index since 1992.
-37%Since 1992
19Routes In State
28Years
Notable American Three-toed Woodpecker Trends in Montana
No notable trend signals for American Three-toed Woodpecker in Montana. See the full index history below.
American Three-toed Woodpecker Population Forecast in Montana
If the recent trend holds, American Three-toed Woodpecker in Montana is projected to stay roughly flat through 2029, near 0.05 (95% range 0.00–0.11). A 5-year backtest shows a typical error of ±59.3%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.05Projected 2029 index
0.00–0.1195% range
±59.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.05 | 0.00 | 0.11 |
| 2026 | 0.05 | 0.00 | 0.11 |
| 2027 | 0.05 | 0.00 | 0.11 |
| 2028 | 0.05 | 0.00 | 0.11 |
| 2029 | 0.05 | 0.00 | 0.11 |
American Three-toed Woodpecker Survey Routes in Montana
| Sula | 4 | 2014 | 1992 |
| Greenough | 2 | 1999 | 1996 |
| St Regis | 2 | 2005 | 1999 |
| Arlee | 2 | 2017 | 1977 |
| Pagil Gulch | 2 | 2024 | 2015 |
| Logan Pass | 1 | 2010 | 2010 |
| Threemile Wa | 1 | 2010 | 2010 |
| Elevation Mt | 1 | 2022 | 2004 |
| Pryor Mtn. | 1 | 2023 | 1995 |
| Woodman | 1 | 2021 | 1991 |
| Inside Road | 1 | 2023 | 1991 |
| Skalkho-Rye | 1 | 2022 | 2004 |
| Swan Lake | 1 | 2021 | 2021 |
| Greenoagh 2 | 1 | 2008 | 2008 |
| Greenoagh 3 | 1 | 2022 | 2022 |
| Ninemile | 1 | 2015 | 2001 |
| Fish Creek | 1 | 2002 | 2002 |
| Hebgen Lake | 1 | 2021 | 2021 |
| Noxon | 1 | 2018 | 2018 |
American Three-toed Woodpecker Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.