Species · Washington · BBS 2025 Release · 1966–2024
Red-tailed Hawk Population Trend in Washington
Red-tailed Hawk in Washington has surged: up 201% on the route-weighted index since 1970.
+201%Since 1970
107Routes In State
56Years
Notable Red-tailed Hawk Trends in Washington
long arc increasecomputed index
Red-tailed Hawk has surged in Washington: up 201% on the route-weighted index since 1970.
Red-tailed Hawk Population Forecast in Washington
If the recent trend holds, Red-tailed Hawk in Washington is projected to rise about 27% by 2029 — from 2.2 in 2024 to a central estimate of 2.8 (95% range 1.9–3.8). A 5-year backtest shows a typical error of ±51.7%, with 60% of held-out values landing inside the 95% band.
+27%Change by 2029
2.8Projected 2029 index
1.9–3.895% range
±51.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.7 | 1.7 | 3.6 |
| 2026 | 2.7 | 1.8 | 3.7 |
| 2027 | 2.7 | 1.8 | 3.7 |
| 2028 | 2.8 | 1.8 | 3.7 |
| 2029 | 2.8 | 1.9 | 3.8 |
Red-tailed Hawk Survey Routes in Washington
| Keystone | 11 | 2024 | 1994 |
| Scootney Reservoir | 10 | 2024 | 2009 |
| Chewelah | 9 | 2021 | 1977 |
| Asotin | 9 | 2024 | 1981 |
| Malden | 8 | 2024 | 1998 |
| Pomeroy | 8 | 2024 | 1992 |
| Mesa | 8 | 2008 | 1994 |
| Lake Chelan | 8 | 2024 | 1988 |
| Moses Lake | 7 | 2022 | 1983 |
| Othello | 7 | 1991 | 1982 |
| Ewan 2 | 7 | 2024 | 2023 |
| Columbia Nwr | 7 | 2022 | 1992 |
| Twisp | 6 | 2024 | 1973 |
| Reardan | 6 | 2024 | 1968 |
| Walla Walla | 6 | 1993 | 1993 |
| Hanford Site | 6 | 1996 | 1988 |
| Harrington | 5 | 2012 | 1973 |
| Connell | 5 | 2015 | 1972 |
| Ewan | 5 | 2019 | 1983 |
| Waitsburg | 5 | 2004 | 1994 |
| Port Angeles | 4 | 2024 | 1971 |
| Ardenvoir | 4 | 1985 | 1968 |
| Mercer | 4 | 2022 | 1969 |
| Everett | 4 | 2024 | 1987 |
| Hartline | 4 | 2024 | 1994 |
Red-tailed Hawk Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.