Guild · Texas · BBS 2025 Release · 1966–2024
Generalists In Texas
101 species in this guild. As a group they are -47% since 1969.
Guild Signals
guild collapsecomputed index
Generalists as a group have declined in Texas, down 47% since 1969.
Forecast
If the recent trend holds, Generalists in Texas is projected to fall about 21% by 2029 — from 3.6 in 2024 to a central estimate of 2.9 (95% range 2.0–3.7). A 5-year backtest shows a typical error of ±7.7%, with 100% of held-out values landing inside the 95% band.
-21%Change by 2029
2.9Projected 2029 index
2.0–3.795% range
±7.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.1 | 2.3 | 4.0 |
| 2026 | 3.0 | 2.2 | 3.9 |
| 2027 | 3.0 | 2.1 | 3.8 |
| 2028 | 2.9 | 2.1 | 3.8 |
| 2029 | 2.9 | 2.0 | 3.7 |
Member Species In Texas
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.