Species · Oregon · BBS 2025 Release · 1966–2024
Red-naped Sapsucker Population Trend in Oregon
Red-naped Sapsucker in Oregon has surged: up 113% on the route-weighted index since 1972.
+113%Since 1972
44Routes In State
49Years
Notable Red-naped Sapsucker Trends in Oregon
long arc increasecomputed index
Red-naped Sapsucker has surged in Oregon: up 113% on the route-weighted index since 1972.
Red-naped Sapsucker Population Forecast in Oregon
If the recent trend holds, Red-naped Sapsucker in Oregon is projected to rise about 29% by 2029 — from 0.13 in 2024 to a central estimate of 0.17 (95% range 0.00–0.43). A 5-year backtest shows a typical error of ±165.3%, with 100% of held-out values landing inside the 95% band.
+29%Change by 2029
0.17Projected 2029 index
0.00–0.4395% range
±165.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.17 | 0.00 | 0.44 |
| 2026 | 0.17 | 0.00 | 0.44 |
| 2027 | 0.17 | 0.00 | 0.44 |
| 2028 | 0.17 | 0.00 | 0.43 |
| 2029 | 0.17 | 0.00 | 0.43 |
Red-naped Sapsucker Survey Routes in Oregon
| Granite | 6 | 2007 | 1987 |
| Flora | 5 | 2005 | 1986 |
| Bly | 5 | 1995 | 1995 |
| Barnes Val | 4 | 1984 | 1984 |
| Desolation | 4 | 1998 | 1993 |
| Lapham Res. | 3 | 2004 | 1991 |
| Wickiup | 3 | 2022 | 1972 |
| Dell Spring | 3 | 1990 | 1986 |
| Elk Lake | 3 | 2001 | 1975 |
| Donelly 2 | 3 | 2024 | 2019 |
| Joseph | 2 | 2022 | 1991 |
| Silver Creek | 2 | 2021 | 1990 |
| Newbridge | 2 | 2024 | 1992 |
| Black Mtn. | 2 | 2004 | 1993 |
| Donnelly | 2 | 1995 | 1994 |
| Albee | 1 | 2013 | 1971 |
| Summit Pr | 1 | 2024 | 1984 |
| Zumwalt | 1 | 2002 | 1995 |
| Ochoco | 1 | 1979 | 1974 |
| Logdell | 1 | 2022 | 1986 |
| Bridgeport | 1 | 2017 | 2003 |
| Winberry | 1 | 1968 | 1968 |
| Paisley | 1 | 2008 | 1973 |
| Alvord Lake | 1 | 2009 | 2009 |
| Eagle Rock | 1 | 1974 | 1974 |
Red-naped Sapsucker Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.