BirdAnalyst
Species · Vermont · BBS 2026 Release · 1966–2025

White-breasted Nuthatch Population Trend in Vermont

All statesForest birds

White-breasted Nuthatch in Vermont has increased: up 33% on the route-weighted index since 1968.

+33%Since 1968TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
26Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
59YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable White-breasted Nuthatch Trends in VermontNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for White-breasted Nuthatch in Vermont. See the full index history below.

White-breasted Nuthatch Population Forecast in Vermont

If the recent trend holds, White-breasted Nuthatch in Vermont is projected to fall about 26% by 2030 — from 2.8 in 2025 to a central estimate of 2.1 (95% range 0.58–3.6). A 5-year backtest shows a typical error of ±21.7%, with 100% of held-out values landing inside the 95% band.

-26%Change by 2030TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
2.1Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.58–3.695% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±21.7%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, White-breasted Nuthatch in Vermont is projected to fall about 26% by 2030 — from 2.8 in 2025 to a central estimate of 2.1 (95% range 0.58–3.6). A 5-year backtest shows a typical error of ±21.7%, with 100% of held-out values landing inside the 95% band.19662030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20262.10.583.6
20272.10.583.6
20282.10.583.6
20292.10.583.6
20302.10.583.6

White-breasted Nuthatch Survey Routes in Vermont

Routes recording White-breasted Nuthatch in Vermont.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Fletcher1020251970
S Reading820241966
North Pownal720251966
Northfld Fls620251980
Grand Isle620251968
W Rutland420251966
Greensboro420251967
Bristol420251995
Marlboro320251966
Post Mills220251966
Hardwick220241967
Hinesburg219941969
Colchester220251990
Stratton120241966
Landgrove120241968
Gaysville120171966
Shaftsbury120251966
S Wallingfrd120221966
St Johnsbury120241970
East Haven120241966
Middlesex120251968
East Calais120251968
Newbury120021986
Waterville119801967
Newbury 2120222005

White-breasted Nuthatch Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvirginiawashingtonwest-virginiawisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.