Species · BCR 9 · BBS 2025 Release · 1966–2024
Peregrine Falcon In Great Basin
Peregrine Falcon in Great Basin has surged: up 501% on the route-weighted index since 1995.
+501%Since 1995
34Routes In Region
25Years
Notable Signals
No notable trend signals for Peregrine Falcon in Great Basin. See the full index history below.
Forecast
If the recent trend holds, Peregrine Falcon in Great Basin is projected to stay roughly flat through 2029, near 0.04 (95% range 0.01–0.06). A 5-year backtest shows a typical error of ±48.5%, with 40% of held-out values landing inside the 95% band.
n/aChange by 2029
0.04Projected 2029 index
0.01–0.0695% range
±48.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.04 | 0.01 | 0.06 |
| 2026 | 0.04 | 0.01 | 0.06 |
| 2027 | 0.04 | 0.01 | 0.06 |
| 2028 | 0.04 | 0.01 | 0.06 |
| 2029 | 0.04 | 0.01 | 0.06 |
Routes In Great Basin
| Wapato | WASHINGTON | 3 | 2022 |
| Benton | CALIFORNIA | 2 | 2019 |
| Cedarville | CALIFORNIA | 2 | 2024 |
| Indian Peak | UTAH | 2 | 2018 |
| Crowley Lake | CALIFORNIA | 1 | 2019 |
| Dorris | CALIFORNIA | 1 | 1995 |
| Clear Lk Res | CALIFORNIA | 1 | 1996 |
| Iron Gate | CALIFORNIA | 1 | 2018 |
| Leadore | IDAHO | 1 | 2024 |
| Blacks Creek | IDAHO | 1 | 2005 |
| Ririe | IDAHO | 1 | 2021 |
| Mora | IDAHO | 1 | 2021 |
| Silver City | IDAHO | 1 | 2014 |
| Hiko | NEVADA | 1 | 1998 |
| Darroughs Hot Spgs | NEVADA | 1 | 2006 |
| Meadow Vally | NEVADA | 1 | 2024 |
| Paisley | OREGON | 1 | 1996 |
| Mt Hood | OREGON | 1 | 2021 |
| Harney Lake | OREGON | 1 | 2022 |
| Promontory | UTAH | 1 | 2023 |
| Oak City | UTAH | 1 | 2000 |
| Goshen | UTAH | 1 | 2024 |
| Fairfield | UTAH | 1 | 2015 |
| Bear River | UTAH | 1 | 2022 |
| Callao | UTAH | 1 | 2019 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.