Species · Oregon · BBS 2025 Release · 1966–2024
Northern Saw-whet Owl Population Trend in Oregon
Northern Saw-whet Owl in Oregon has declined: down 40% on the route-weighted index since 1977.
-40%Since 1977
11Routes In State
18Years
Notable Northern Saw-whet Owl Trends in Oregon
No notable trend signals for Northern Saw-whet Owl in Oregon. See the full index history below.
Northern Saw-whet Owl Population Forecast in Oregon
If the recent trend holds, Northern Saw-whet Owl in Oregon is projected to stay roughly flat through 2029, near 0.01 (95% range 0.00–0.04). A 5-year backtest shows a typical error of ±96.6%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.01Projected 2029 index
0.00–0.0495% range
±96.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.01 | 0.00 | 0.04 |
| 2026 | 0.01 | 0.00 | 0.04 |
| 2027 | 0.01 | 0.00 | 0.04 |
| 2028 | 0.01 | 0.00 | 0.04 |
| 2029 | 0.01 | 0.00 | 0.04 |
Northern Saw-whet Owl Survey Routes in Oregon
| Hash Rock | 2 | 1989 | 1989 |
| Myrtle Grove | 1 | 2023 | 2023 |
| Scio | 1 | 1992 | 1992 |
| Molalla | 1 | 2024 | 2023 |
| Riley Peak | 1 | 2010 | 2010 |
| Salado | 1 | 1980 | 1977 |
| Cool Camp | 1 | 1998 | 1973 |
| Logdell | 1 | 2004 | 1996 |
| Monument | 1 | 2007 | 2007 |
| Blue River | 1 | 2019 | 2019 |
| Unity | 1 | 1993 | 1993 |
Northern Saw-whet Owl Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.