Species · Washington · BBS 2025 Release · 1966–2024
Hairy Woodpecker Population Trend in Washington
Hairy Woodpecker in Washington has increased: up 42% on the route-weighted index since 1970.
+42%Since 1970
82Routes In State
56Years
Notable Hairy Woodpecker Trends in Washington
No notable trend signals for Hairy Woodpecker in Washington. See the full index history below.
Hairy Woodpecker Population Forecast in Washington
If the recent trend holds, Hairy Woodpecker in Washington is projected to fall about 21% by 2029 — from 1.3 in 2024 to a central estimate of 1.0 (95% range 0.68–1.4). A 5-year backtest shows a typical error of ±18.9%, with 100% of held-out values landing inside the 95% band.
-21%Change by 2029
1.0Projected 2029 index
0.68–1.495% range
±18.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.0 | 0.65 | 1.4 |
| 2026 | 1.0 | 0.66 | 1.4 |
| 2027 | 1.0 | 0.67 | 1.4 |
| 2028 | 1.0 | 0.67 | 1.4 |
| 2029 | 1.0 | 0.68 | 1.4 |
Hairy Woodpecker Survey Routes in Washington
| Omak Creek | 7 | 2024 | 1996 |
| Cloverland | 7 | 2024 | 1993 |
| Hurricane Rg | 5 | 2024 | 1992 |
| Cougar | 4 | 2023 | 1973 |
| Kendall | 4 | 2024 | 1981 |
| Ardenvoir | 3 | 1973 | 1968 |
| Rimrock | 3 | 2024 | 1970 |
| Ronald | 3 | 2024 | 1976 |
| Ilwaco | 3 | 2024 | 1975 |
| Spring Lake | 3 | 2024 | 1982 |
| Mt St Helens | 3 | 2024 | 1992 |
| Laurier | 3 | 2022 | 2004 |
| Greenwater | 3 | 2024 | 2016 |
| Index 2 | 3 | 2023 | 2014 |
| No Cascades | 3 | 2019 | 1989 |
| E. Mt. Adams | 3 | 2024 | 1995 |
| Mcchord | 3 | 2013 | 1997 |
| Keller | 2 | 2007 | 1968 |
| Taholah | 2 | 2022 | 1969 |
| Kamilche | 2 | 2023 | 1975 |
| Snowden | 2 | 2024 | 1984 |
| Winthrop | 2 | 2007 | 1989 |
| Tonasket | 2 | 2009 | 1987 |
| Leavenworth | 2 | 2024 | 1981 |
| Packwood | 2 | 2024 | 1976 |
Hairy Woodpecker Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.