Species · BCR 9 · BBS 2025 Release · 1966–2024
Sooty Grouse In Great Basin
Sooty Grouse in Great Basin has declined: down 49% on the route-weighted index since 1971.
-49%Since 1971
27Routes In Region
55Years
Notable Signals
No notable trend signals for Sooty Grouse in Great Basin. See the full index history below.
Forecast
If the recent trend holds, Sooty Grouse in Great Basin is projected to stay roughly flat through 2029, near 0.06 (95% range 0.00–0.17). A 5-year backtest shows a typical error of ±123.5%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.06Projected 2029 index
0.00–0.1795% range
±123.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.06 | 0.00 | 0.17 |
| 2026 | 0.06 | 0.00 | 0.17 |
| 2027 | 0.06 | 0.00 | 0.17 |
| 2028 | 0.06 | 0.00 | 0.17 |
| 2029 | 0.06 | 0.00 | 0.17 |
Routes In Great Basin
| No Cascades | WASHINGTON | 8 | 2019 |
| Camp Sherman | OREGON | 3 | 1996 |
| Cascade Riv | WASHINGTON | 3 | 2006 |
| Paisley | OREGON | 2 | 2023 |
| Sisters | OREGON | 2 | 2024 |
| Lakeview | OREGON | 2 | 2023 |
| Ronald | WASHINGTON | 2 | 2023 |
| Ellensburg | WASHINGTON | 2 | 2018 |
| Mazama | WASHINGTON | 2 | 2010 |
| Deep Springs | CALIFORNIA | 1 | 2000 |
| Tionesta | CALIFORNIA | 1 | 2018 |
| Barnes Val | OREGON | 1 | 1984 |
| Mt Hood | OREGON | 1 | 2006 |
| Wizard Falls | OREGON | 1 | 2023 |
| Bly 2 | OREGON | 1 | 2008 |
| Picture Flat | OREGON | 1 | 2018 |
| Newhalem | WASHINGTON | 1 | 2023 |
| Rimrock | WASHINGTON | 1 | 2023 |
| Kendall | WASHINGTON | 1 | 2003 |
| Glacier | WASHINGTON | 1 | 2024 |
| White Chuck | WASHINGTON | 1 | 2019 |
| Blewett Pass | WASHINGTON | 1 | 2018 |
| Suiattle Riv | WASHINGTON | 1 | 2019 |
| L. Wenatchee | WASHINGTON | 1 | 2010 |
| Concrete | WASHINGTON | 1 | 2023 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.