Guild · Colorado · BBS 2025 Release · 1966–2024
Birds Of Prey In Colorado
18 species in this guild. As a group they are -42% since 1970.
Guild Signals
guild collapsecomputed index
Birds of prey as a group have declined in Colorado, down 42% since 1970.
Forecast
If the recent trend holds, Birds of prey in Colorado is projected to fall about 24% by 2029 — from 0.49 in 2024 to a central estimate of 0.38 (95% range 0.13–0.62). A 5-year backtest shows a typical error of ±18.4%, with 100% of held-out values landing inside the 95% band.
-24%Change by 2029
0.38Projected 2029 index
0.13–0.6295% range
±18.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.40 | 0.15 | 0.65 |
| 2026 | 0.39 | 0.14 | 0.64 |
| 2027 | 0.39 | 0.14 | 0.63 |
| 2028 | 0.38 | 0.13 | 0.63 |
| 2029 | 0.38 | 0.13 | 0.62 |
Member Species In Colorado
| Northern Harrier | Accipitridae | -83% |
| Sharp-shinned Hawk | Accipitridae | -70% |
| Short-eared Owl | Strigidae | -69% |
| Prairie Falcon | Falconidae | -67% |
| American Goshawk | Accipitridae | -60% |
| Burrowing Owl | Strigidae | -59% |
| Ferruginous Hawk | Accipitridae | -58% |
| Great Horned Owl | Strigidae | -51% |
| American Kestrel | Falconidae | -29% |
| Cooper's Hawk | Accipitridae | -21% |
| Golden Eagle | Accipitridae | -16% |
| Northern Pygmy-Owl | Strigidae | -5% |
| Bald Eagle | Accipitridae | +40% |
| Swainson's Hawk | Accipitridae | +44% |
| Osprey | Pandionidae | +247% |
| Peregrine Falcon | Falconidae | +257% |
| Turkey Vulture | Cathartidae | +359% |
| Red-tailed Hawk | Accipitridae | +372% |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.