BirdAnalyst
Species · Montana · BBS 2025 Release · 1966–2024

Canada Jay Population Trend in Montana

All statesGeneralists

Canada Jay in Montana has declined: down 36% on the route-weighted index since 1970.

-36%Since 1970
31Routes In State
54Years

Notable Canada Jay Trends in Montana

No notable trend signals for Canada Jay in Montana. See the full index history below.

Canada Jay Population Forecast in Montana

If the recent trend holds, Canada Jay in Montana is projected to stay roughly flat through 2029, near 0.34 (95% range 0.00–0.71). A 5-year backtest shows a typical error of ±542.1%, with 60% of held-out values landing inside the 95% band.

n/aChange by 2029
0.34Projected 2029 index
0.00–0.7195% range
±542.1%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
20250.330.000.70
20260.340.000.70
20270.340.000.70
20280.340.000.70
20290.340.000.71

Canada Jay Survey Routes in Montana

Routes recording Canada Jay in Montana.
Greenoagh 2820092005
Elliston520131972
Thompson Riv420191995
Whitefish Lake320182016
Greenoagh 3320212013
Fish Creek320221997
Skalkaho319981992
St Mary219951995
Threemile Wa220231998
Cramer Creek220191996
Greenough220041995
Elevation Mt220221994
St Regis220221977
Polson219941986
Woodman220191979
Inside Road220211990
Sula220231988
Noxon220232003
Libby Dam120131979
Logan Pass120161988
Victor120241997
Arlee120191968
Clinton120161996
Chestnut120111968
East Glacier Park120172017

Canada Jay Population Trend in Other States

alaskaarizonacaliforniacoloradoidahomainemichiganminnesotanew-hampshirenew-yorkoregonsouth-dakotautahvermontwashingtonwisconsinwyoming

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