Species · Idaho · BBS 2025 Release · 1966–2024
Hairy Woodpecker Population Trend in Idaho
Hairy Woodpecker in Idaho has declined: down 47% on the route-weighted index since 1973.
-47%Since 1973
46Routes In State
51Years
Notable Hairy Woodpecker Trends in Idaho
No notable trend signals for Hairy Woodpecker in Idaho. See the full index history below.
Hairy Woodpecker Population Forecast in Idaho
If the recent trend holds, Hairy Woodpecker in Idaho is projected to fall about 52% by 2029 — from 0.44 in 2024 to a central estimate of 0.21 (95% range 0.00–0.57). A 5-year backtest shows a typical error of ±49.5%, with 100% of held-out values landing inside the 95% band.
-52%Change by 2029
0.21Projected 2029 index
0.00–0.5795% range
±49.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.22 | 0.00 | 0.59 |
| 2026 | 0.22 | 0.00 | 0.58 |
| 2027 | 0.22 | 0.00 | 0.58 |
| 2028 | 0.21 | 0.00 | 0.58 |
| 2029 | 0.21 | 0.00 | 0.57 |
Hairy Woodpecker Survey Routes in Idaho
| Coolin | 5 | 2024 | 1986 |
| Challis | 3 | 2024 | 1981 |
| Avery | 2 | 2023 | 1979 |
| Grangeville | 2 | 2023 | 1987 |
| Cascade | 2 | 1984 | 1974 |
| Squirrel | 2 | 2018 | 1972 |
| Sawtooth City 2 | 2 | 2023 | 2019 |
| Silver City | 2 | 2002 | 2002 |
| Nezperce Nf | 2 | 1999 | 1996 |
| Cabarton | 2 | 2021 | 1986 |
| Blackft Res | 1 | 1998 | 1988 |
| Naples | 1 | 2024 | 1973 |
| Mivoden | 1 | 2018 | 1978 |
| Gifford | 1 | 1990 | 1990 |
| Nezperce | 1 | 2008 | 1985 |
| Lolo Pass | 1 | 2015 | 1993 |
| Golden | 1 | 2006 | 1993 |
| Baker | 1 | 2015 | 1986 |
| Cape Horn | 1 | 2023 | 1972 |
| Leadore | 1 | 1974 | 1974 |
| N Fork Cda R | 1 | 2018 | 1994 |
| Rochat Divde | 1 | 2023 | 1993 |
| Centerville | 1 | 2009 | 1973 |
| Alturas | 1 | 1986 | 1968 |
| Craters | 1 | 1986 | 1986 |
Hairy Woodpecker Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.