Species · BCR 9 · BBS 2025 Release · 1966–2024
Brown Creeper In Great Basin
Brown Creeper in Great Basin has edged up: up 16% on the route-weighted index since 1970.
+16%Since 1970
64Routes In Region
56Years
Notable Signals
No notable trend signals for Brown Creeper in Great Basin. See the full index history below.
Forecast
If the recent trend holds, Brown Creeper in Great Basin is projected to rise about 38% by 2029 — from 0.31 in 2024 to a central estimate of 0.43 (95% range 0.21–0.66). A 5-year backtest shows a typical error of ±35.2%, with 100% of held-out values landing inside the 95% band.
+38%Change by 2029
0.43Projected 2029 index
0.21–0.6695% range
±35.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.41 | 0.19 | 0.64 |
| 2026 | 0.42 | 0.20 | 0.64 |
| 2027 | 0.42 | 0.20 | 0.65 |
| 2028 | 0.43 | 0.21 | 0.65 |
| 2029 | 0.43 | 0.21 | 0.66 |
Routes In Great Basin
| Barnes Val | OREGON | 13 | 1987 |
| Crowder Flat | CALIFORNIA | 9 | 2019 |
| Glacier | WASHINGTON | 8 | 2024 |
| Kendall | WASHINGTON | 6 | 2024 |
| E. Mt. Adams | WASHINGTON | 6 | 2024 |
| Bartle | CALIFORNIA | 5 | 2021 |
| Hackamore | CALIFORNIA | 4 | 2010 |
| Tionesta | CALIFORNIA | 4 | 2021 |
| Mt Hood | OREGON | 4 | 2023 |
| Davis Lake | OREGON | 4 | 2023 |
| Wizard Falls | OREGON | 4 | 2024 |
| Camp Sherman | OREGON | 3 | 1996 |
| Lakeview | OREGON | 3 | 2024 |
| Ronald | WASHINGTON | 3 | 2024 |
| Medicine Mtn. | CALIFORNIA | 2 | 2015 |
| Hawthorne | NEVADA | 2 | 2001 |
| Dell Spring | OREGON | 2 | 1990 |
| Paisley | OREGON | 2 | 2018 |
| Bald Mtn. | OREGON | 2 | 2024 |
| Picture Flat | OREGON | 2 | 2024 |
| Sisters | OREGON | 2 | 2024 |
| Rimrock | WASHINGTON | 2 | 2023 |
| White Chuck | WASHINGTON | 2 | 2024 |
| Carlton | WASHINGTON | 2 | 2004 |
| Suiattle Riv | WASHINGTON | 2 | 2019 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.