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Species · Montana · BBS 2025 Release · 1966–2024

White-breasted Nuthatch Population Trend in Montana

All statesForest birds

White-breasted Nuthatch in Montana has fallen sharply: down 74% on the route-weighted index since 1973.

-74%Since 1973
36Routes In State
46Years

Notable White-breasted Nuthatch Trends in Montana

long arc declinecomputed index

White-breasted Nuthatch has fallen sharply in Montana: down 74% on the route-weighted index since 1973.

White-breasted Nuthatch Population Forecast in Montana

If the recent trend holds, White-breasted Nuthatch in Montana is projected to stay roughly flat through 2029, near 0.10 (95% range 0.00–0.33). A 5-year backtest shows a typical error of ±126.7%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.10Projected 2029 index
0.00–0.3395% range
±126.7%Backtest error
19692029
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
20250.110.000.33
20260.100.000.33
20270.100.000.33
20280.100.000.33
20290.100.000.33

White-breasted Nuthatch Survey Routes in Montana

Routes recording White-breasted Nuthatch in Montana.
Polson720191989
Swan Lake620162015
Chuffey Spring520232018
Skalkaho319931992
Greenough220031999
Bull Mtn.220211995
St Regis220091981
Arlee220131969
Brandenberg220191973
Red Rock220032003
Thompson Riv220051993
Libby Dam119991981
Kalispell120182009
Victor120151993
Threemile Wa120241993
Pryor Mtn.120002000
Highwood120091977
Brusett119851985
Jordan120172012
Woodman119731969
Clinton119961996
Elliston119701970
Two Dot119871987
Shawmut119791979
Sula120221987

White-breasted Nuthatch Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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