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
0.020.1995% range
±78.4%Backtest error
19682029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.100.010.19
20260.100.010.19
20270.100.010.19
20280.100.010.19
20290.100.020.19

Brown Creeper Survey Routes in Montana

Routes recording Brown Creeper in Montana.
Woodman320221970
Libby Dam219921992
Logan Pass220211992
Victor219981993
Threemile Wa220232005
Greenough220001996
Inside Road220232023
Elevation Mt120122012
Pryor Mtn.120182007
St Regis120241999
Arlee120131968
Clinton120022002
Elliston119941994
Sula120042004
Chestnut120131989
Whitefish Lake120232019
Skalkho-Rye120022002
Swan Lake120222016
Greenoagh 2120112005
Ninemile120242005
Skalkaho119941994
Wise River120072001
Noxon120232014

Brown Creeper Population Trend in Other States

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.