Guild · California · BBS 2025 Release · 1966–2024
Birds Of Prey In California
22 species in this guild. As a group they are -20% since 1970.
Guild Signals
No notable trend signals for birds of prey in California. See the full index history below.
Forecast
If the recent trend holds, Birds of prey in California is projected to fall about 13% by 2029 — from 0.76 in 2024 to a central estimate of 0.66 (95% range 0.37–0.95). A 5-year backtest shows a typical error of ±11.7%, with 100% of held-out values landing inside the 95% band.
-13%Change by 2029
0.66Projected 2029 index
0.37–0.9595% range
±11.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.66 | 0.36 | 0.95 |
| 2026 | 0.66 | 0.37 | 0.95 |
| 2027 | 0.66 | 0.37 | 0.95 |
| 2028 | 0.66 | 0.37 | 0.95 |
| 2029 | 0.66 | 0.37 | 0.95 |
Member Species In California
| Burrowing Owl | Strigidae | -85% |
| White-tailed Kite | Accipitridae | -81% |
| Northern Harrier | Accipitridae | -71% |
| American Kestrel | Falconidae | -71% |
| Spotted Owl | Strigidae | -62% |
| Sharp-shinned Hawk | Accipitridae | -57% |
| American Barn Owl | Tytonidae | -45% |
| Golden Eagle | Accipitridae | -44% |
| American Goshawk | Accipitridae | -37% |
| Northern Pygmy-Owl | Strigidae | -36% |
| Cooper's Hawk | Accipitridae | +11% |
| Prairie Falcon | Falconidae | +17% |
| Peregrine Falcon | Falconidae | +17% |
| Western Screech-Owl | Strigidae | +24% |
| Red-tailed Hawk | Accipitridae | +32% |
| Short-eared Owl | Strigidae | +74% |
| Turkey Vulture | Cathartidae | +85% |
| Osprey | Pandionidae | +117% |
| Great Horned Owl | Strigidae | +193% |
| Red-shouldered Hawk | Accipitridae | +521% |
| Bald Eagle | Accipitridae | +895% |
| Swainson's Hawk | Accipitridae | 24× |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.