Guild · California · BBS 2025 Release · 1966–2024
Game Birds In California
8 species in this guild. As a group they are -38% since 1970.
Guild Signals
No notable trend signals for game birds in California. See the full index history below.
Forecast
If the recent trend holds, Game birds in California is projected to fall about 24% by 2029 — from 2.2 in 2024 to a central estimate of 1.7 (95% range 0.39–3.0). A 5-year backtest shows a typical error of ±27.9%, with 100% of held-out values landing inside the 95% band.
-24%Change by 2029
1.7Projected 2029 index
0.39–3.095% range
±27.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.8 | 0.49 | 3.1 |
| 2026 | 1.8 | 0.46 | 3.0 |
| 2027 | 1.7 | 0.44 | 3.0 |
| 2028 | 1.7 | 0.41 | 3.0 |
| 2029 | 1.7 | 0.39 | 3.0 |
Member Species In California
| Ring-necked Pheasant | Phasianidae | -91% |
| Gambel's Quail | Odontophoridae | -66% |
| California Quail | Odontophoridae | +11% |
| Mountain Quail | Odontophoridae | +49% |
| Sooty Grouse | Phasianidae | +62% |
| Greater Sage-Grouse | Phasianidae | +397% |
| Chukar | Phasianidae | +548% |
| Wild Turkey | Phasianidae | 37× |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.