Species · BCR 10 · BBS 2025 Release · 1966–2024
Turkey Vulture In Northern Rockies
Turkey Vulture in Northern Rockies has surged: up 341% on the route-weighted index since 1973.
+341%Since 1973
148Routes In Region
51Years
Notable Signals
long arc increasecomputed index
Turkey Vulture has surged in Northern Rockies: up 341% on the route-weighted index since 1973.
Forecast
If the recent trend holds, Turkey Vulture in Northern Rockies is projected to stay roughly flat through 2029, near 0.60 (95% range 0.36–0.84). A 5-year backtest shows a typical error of ±16.2%, with 100% of held-out values landing inside the 95% band.
-7%Change by 2029
0.60Projected 2029 index
0.36–0.8495% range
±16.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.56 | 0.32 | 0.80 |
| 2026 | 0.57 | 0.33 | 0.81 |
| 2027 | 0.58 | 0.34 | 0.82 |
| 2028 | 0.59 | 0.35 | 0.83 |
| 2029 | 0.60 | 0.36 | 0.84 |
Routes In Northern Rockies
| Mount Vernon | OREGON | 17 | 2024 |
| Meeteetse | WYOMING | 17 | 2023 |
| Bridgeport | OREGON | 8 | 2022 |
| Midvale | WYOMING | 8 | 2024 |
| Maybell | COLORADO | 7 | 2024 |
| Featherville | IDAHO | 6 | 2023 |
| St Regis | MONTANA | 6 | 2023 |
| Newbridge | OREGON | 6 | 1998 |
| Mivoden | IDAHO | 5 | 2019 |
| Coolin | IDAHO | 5 | 2024 |
| Madras | OREGON | 5 | 2024 |
| Randolph | UTAH | 5 | 2023 |
| Neponset Res | UTAH | 5 | 2007 |
| Flora | OREGON | 4 | 2018 |
| Cusick | WASHINGTON | 4 | 2024 |
| Burgdorf | IDAHO | 3 | 2010 |
| N Fork Cda R | IDAHO | 3 | 2016 |
| Elevation Mt | MONTANA | 3 | 2022 |
| Logdell | OREGON | 3 | 2023 |
| Summit Pr | OREGON | 3 | 2024 |
| Lovell | WYOMING | 3 | 2024 |
| Pathfinder | WYOMING | 3 | 2022 |
| Carter 2 | WYOMING | 3 | 2023 |
| Lay | COLORADO | 2 | 2024 |
| Centerville | IDAHO | 2 | 2016 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.