Guild · Maine · BBS 2025 Release · 1966–2024
Birds Of Prey In Maine
14 species in this guild. As a group they are -59% since 1968.
Guild Signals
guild collapsecomputed index
Birds of prey as a group have fallen sharply in Maine, down 59% since 1968.
Forecast
If the recent trend holds, Birds of prey in Maine is projected to fall about 98% by 2029 — from 0.30 in 2024 to a central estimate of 0.01 (95% range 0.00–0.35). A 5-year backtest shows a typical error of ±114.8%, with 80% of held-out values landing inside the 95% band.
-98%Change by 2029
0.01Projected 2029 index
0.00–0.3595% range
±114.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.03 | 0.00 | 0.37 |
| 2026 | 0.03 | 0.00 | 0.36 |
| 2027 | 0.02 | 0.00 | 0.36 |
| 2028 | 0.01 | 0.00 | 0.35 |
| 2029 | 0.01 | 0.00 | 0.35 |
Member Species In Maine
| American Kestrel | Falconidae | -80% |
| Northern Harrier | Accipitridae | -56% |
| Great Horned Owl | Strigidae | -32% |
| Sharp-shinned Hawk | Accipitridae | -20% |
| Red-shouldered Hawk | Accipitridae | -12% |
| American Goshawk | Accipitridae | +23% |
| Cooper's Hawk | Accipitridae | +33% |
| Barred Owl | Strigidae | +33% |
| Merlin | Falconidae | +50% |
| Osprey | Pandionidae | +80% |
| Broad-winged Hawk | Accipitridae | +134% |
| Red-tailed Hawk | Accipitridae | +500% |
| Bald Eagle | Accipitridae | +575% |
| Turkey Vulture | Cathartidae | +632% |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.