Species · Oregon · BBS 2025 Release · 1966–2024
Spotted Towhee Population Trend in Oregon
Spotted Towhee in Oregon has edged down: down 17% on the route-weighted index since 1970.
-17%Since 1970
113Routes In State
56Years
Notable Spotted Towhee Trends in Oregon
No notable trend signals for Spotted Towhee in Oregon. See the full index history below.
Spotted Towhee Population Forecast in Oregon
If the recent trend holds, Spotted Towhee in Oregon is projected to rise about 25% by 2029 — from 4.9 in 2024 to a central estimate of 6.1 (95% range 3.6–8.6). A 5-year backtest shows a typical error of ±13.1%, with 100% of held-out values landing inside the 95% band.
+25%Change by 2029
6.1Projected 2029 index
3.6–8.695% range
±13.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 6.1 | 3.6 | 8.6 |
| 2026 | 6.1 | 3.6 | 8.6 |
| 2027 | 6.1 | 3.6 | 8.6 |
| 2028 | 6.1 | 3.6 | 8.6 |
| 2029 | 6.1 | 3.6 | 8.6 |
Spotted Towhee Survey Routes in Oregon
| Garfield | 39 | 2023 | 1973 |
| Umpqua | 37 | 2024 | 1968 |
| Adair | 36 | 2024 | 1971 |
| Tualatin | 35 | 2024 | 1968 |
| Green | 31 | 2024 | 1994 |
| Derby | 27 | 1993 | 1968 |
| Elkton | 25 | 2024 | 1972 |
| Selma | 25 | 2024 | 1994 |
| Salem | 24 | 2024 | 1993 |
| Dayton | 22 | 2024 | 1973 |
| Sandy River | 22 | 2006 | 1993 |
| Emigrant Lk | 21 | 2001 | 1972 |
| Mt Hood | 18 | 2024 | 1972 |
| Ruch | 17 | 2023 | 1992 |
| Troy | 15 | 2024 | 1992 |
| Scappoose | 15 | 2023 | 1995 |
| Mcminnville | 14 | 2024 | 1994 |
| Fisher | 14 | 2010 | 1997 |
| Hazel Camp | 13 | 2022 | 1975 |
| Secret Val | 13 | 2022 | 1975 |
| Badger Creek | 13 | 2024 | 1992 |
| Santiam | 13 | 2024 | 1994 |
| Emigrant Lake 2 | 12 | 2024 | 2002 |
| Canby | 12 | 2024 | 1993 |
| Lorane | 12 | 2024 | 1993 |
Spotted Towhee Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.