Species · BCR 17 · BBS 2025 Release · 1966–2024
Cooper's Hawk In Badlands and Prairies
Cooper's Hawk in Badlands and Prairies has collapsed: down 75% on the route-weighted index since 1983.
-75%Since 1983
28Routes In Region
34Years
Notable Signals
long arc declinecomputed index
Cooper's Hawk has collapsed in Badlands and Prairies: down 75% on the route-weighted index since 1983.
Forecast
If the recent trend holds, Cooper's Hawk in Badlands and Prairies is projected to stay roughly flat through 2029, near 0.01 (95% range 0.00–0.07). A 5-year backtest shows a typical error of ±65.5%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.01Projected 2029 index
0.00–0.0795% range
±65.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.01 | 0.00 | 0.08 |
| 2026 | 0.01 | 0.00 | 0.08 |
| 2027 | 0.01 | 0.00 | 0.08 |
| 2028 | 0.01 | 0.00 | 0.07 |
| 2029 | 0.01 | 0.00 | 0.07 |
Routes In Badlands and Prairies
| Bill | WYOMING | 2 | 1999 |
| Highwood | MONTANA | 1 | 2016 |
| Brusett | MONTANA | 1 | 2012 |
| Locate | MONTANA | 1 | 1995 |
| Reed Point | MONTANA | 1 | 2009 |
| Bull Mtn. | MONTANA | 1 | 1995 |
| Tobacco | NORTH-DAKOTA | 1 | 2005 |
| Zap | NORTH-DAKOTA | 1 | 2024 |
| Roosevelt Pk | NORTH-DAKOTA | 1 | 2006 |
| Glen Ullin | NORTH-DAKOTA | 1 | 1998 |
| Carson | NORTH-DAKOTA | 1 | 1998 |
| Winner | SOUTH-DAKOTA | 1 | 2023 |
| Custer | SOUTH-DAKOTA | 1 | 2024 |
| Reva | SOUTH-DAKOTA | 1 | 1995 |
| Englewood | SOUTH-DAKOTA | 1 | 2018 |
| Long Draw | SOUTH-DAKOTA | 1 | 2016 |
| Silver City | SOUTH-DAKOTA | 1 | 2001 |
| Hazelrodt | SOUTH-DAKOTA | 1 | 2022 |
| Lightning Cr | SOUTH-DAKOTA | 1 | 2012 |
| Wind Cave Np | SOUTH-DAKOTA | 1 | 2004 |
| Wyarno | WYOMING | 1 | 2002 |
| Sundance | WYOMING | 1 | 1995 |
| Dayton | WYOMING | 1 | 2013 |
| Seely | WYOMING | 1 | 1999 |
| Moskee | WYOMING | 1 | 2001 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.