Species · Montana · BBS 2025 Release · 1966–2024
Brown Creeper Population Trend in Montana
Brown Creeper in Montana has increased: up 36% on the route-weighted index since 1979.
+36%Since 1979
23Routes In State
35Years
Notable Brown Creeper Trends in Montana
No notable trend signals for Brown Creeper in Montana. See the full index history below.
Brown Creeper Population Forecast in Montana
If the recent trend holds, Brown Creeper in Montana is projected to stay roughly flat through 2029, near 0.10 (95% range 0.02–0.19). A 5-year backtest shows a typical error of ±78.4%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.10Projected 2029 index
0.02–0.1995% range
±78.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.10 | 0.01 | 0.19 |
| 2026 | 0.10 | 0.01 | 0.19 |
| 2027 | 0.10 | 0.01 | 0.19 |
| 2028 | 0.10 | 0.01 | 0.19 |
| 2029 | 0.10 | 0.02 | 0.19 |
Brown Creeper Survey Routes in Montana
| Woodman | 3 | 2022 | 1970 |
| Libby Dam | 2 | 1992 | 1992 |
| Logan Pass | 2 | 2021 | 1992 |
| Victor | 2 | 1998 | 1993 |
| Threemile Wa | 2 | 2023 | 2005 |
| Greenough | 2 | 2000 | 1996 |
| Inside Road | 2 | 2023 | 2023 |
| Elevation Mt | 1 | 2012 | 2012 |
| Pryor Mtn. | 1 | 2018 | 2007 |
| St Regis | 1 | 2024 | 1999 |
| Arlee | 1 | 2013 | 1968 |
| Clinton | 1 | 2002 | 2002 |
| Elliston | 1 | 1994 | 1994 |
| Sula | 1 | 2004 | 2004 |
| Chestnut | 1 | 2013 | 1989 |
| Whitefish Lake | 1 | 2023 | 2019 |
| Skalkho-Rye | 1 | 2002 | 2002 |
| Swan Lake | 1 | 2022 | 2016 |
| Greenoagh 2 | 1 | 2011 | 2005 |
| Ninemile | 1 | 2024 | 2005 |
| Skalkaho | 1 | 1994 | 1994 |
| Wise River | 1 | 2007 | 2001 |
| Noxon | 1 | 2023 | 2014 |
Brown Creeper Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.