Species · Washington · BBS 2025 Release · 1966–2024
Common Goldeneye Population Trend in Washington
Common Goldeneye in Washington has risen sharply: up 51% on the route-weighted index since 1994.
+51%Since 1994
11Routes In State
25Years
Notable Common Goldeneye Trends in Washington
No notable trend signals for Common Goldeneye in Washington. See the full index history below.
Common Goldeneye Population Forecast in Washington
If the recent trend holds, Common Goldeneye in Washington is projected to stay roughly flat through 2027, near 0.04 (95% range 0.00–0.10). A 5-year backtest shows a typical error of ±138.4%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2027
0.04Projected 2027 index
0.00–0.1095% range
±138.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2023 | 0.04 | 0.00 | 0.09 |
| 2024 | 0.04 | 0.00 | 0.09 |
| 2025 | 0.04 | 0.00 | 0.10 |
| 2026 | 0.04 | 0.00 | 0.10 |
| 2027 | 0.04 | 0.00 | 0.10 |
Common Goldeneye Survey Routes in Washington
Common Goldeneye Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.