Guild · Oregon · BBS 2025 Release · 1966–2024
Generalists In Oregon
86 species in this guild. As a group they are -36% since 1970.
Guild Signals
No notable trend signals for generalists in Oregon. See the full index history below.
Forecast
If the recent trend holds, Generalists in Oregon is projected to fall about 22% by 2029 — from 2.7 in 2024 to a central estimate of 2.1 (95% range 1.2–3.0). A 5-year backtest shows a typical error of ±24.4%, with 80% of held-out values landing inside the 95% band.
-22%Change by 2029
2.1Projected 2029 index
1.2–3.095% range
±24.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.3 | 1.4 | 3.2 |
| 2026 | 2.2 | 1.3 | 3.1 |
| 2027 | 2.2 | 1.3 | 3.1 |
| 2028 | 2.1 | 1.2 | 3.0 |
| 2029 | 2.1 | 1.2 | 3.0 |
Member Species In Oregon
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.