Species · Oregon · BBS 2025 Release · 1966–2024
Vaux's Swift Population Trend in Oregon
Vaux's Swift in Oregon has increased: up 26% on the route-weighted index since 1970.
+26%Since 1970
83Routes In State
56Years
Notable Vaux's Swift Trends in Oregon
No notable trend signals for Vaux's Swift in Oregon. See the full index history below.
Vaux's Swift Population Forecast in Oregon
If the recent trend holds, Vaux's Swift in Oregon is projected to rise about 80% by 2029 — from 0.43 in 2024 to a central estimate of 0.78 (95% range 0.12–1.4). A 5-year backtest shows a typical error of ±92.1%, with 100% of held-out values landing inside the 95% band.
+80%Change by 2029
0.78Projected 2029 index
0.12–1.495% range
±92.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.77 | 0.11 | 1.4 |
| 2026 | 0.77 | 0.11 | 1.4 |
| 2027 | 0.77 | 0.11 | 1.4 |
| 2028 | 0.77 | 0.12 | 1.4 |
| 2029 | 0.78 | 0.12 | 1.4 |
Vaux's Swift Survey Routes in Oregon
| Badger Creek | 21 | 2024 | 1994 |
| Winberry | 19 | 2000 | 1969 |
| Twickenham | 10 | 2012 | 2012 |
| Eagle Rock | 8 | 1971 | 1971 |
| Camp Sherman | 8 | 1994 | 1972 |
| Bridgeport | 7 | 1999 | 1995 |
| Wickiup | 6 | 2022 | 1971 |
| Barnes Val | 6 | 1987 | 1987 |
| Unity | 6 | 2004 | 1992 |
| Derby | 5 | 1993 | 1968 |
| Mt Hood | 5 | 2023 | 1978 |
| Ochoco | 5 | 2022 | 1993 |
| Donnelly | 5 | 2005 | 2005 |
| Ochoco | 4 | 1982 | 1974 |
| Dayton | 4 | 2024 | 1974 |
| Garfield | 4 | 2019 | 1977 |
| Elkton | 4 | 2023 | 1972 |
| Davis Lake | 4 | 2023 | 2006 |
| Troy | 4 | 2024 | 1994 |
| Blue River | 4 | 2013 | 1992 |
| Black Mtn. | 4 | 2004 | 1993 |
| Eagle Creek | 4 | 2022 | 1996 |
| Sandy River | 4 | 2004 | 1993 |
| Molalla | 4 | 2019 | 1998 |
| Bull Run | 4 | 2024 | 2007 |
Vaux's Swift Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.