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Species · Ohio · BBS 2026 Release · 1966–2025

White-breasted Nuthatch Population Trend in Ohio

All statesForest birds

White-breasted Nuthatch in Ohio has surged: up 526% on the route-weighted index since 1968.

+526%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 →
87Routes 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 OhioNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

White-breasted Nuthatch has surged in Ohio: up 526% on the route-weighted index since 1968.

White-breasted Nuthatch Population Forecast in Ohio

If the recent trend holds, White-breasted Nuthatch in Ohio is projected to rise about 70% by 2030 — from 3.1 in 2025 to a central estimate of 5.2 (95% range 4.2–6.2). A 5-year backtest shows a typical error of ±17.5%, with 60% of held-out values landing inside the 95% band.

+70%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 →
5.2Projected 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 →
4.2–6.295% 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 →
±17.5%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 Ohio is projected to rise about 70% by 2030 — from 3.1 in 2025 to a central estimate of 5.2 (95% range 4.2–6.2). A 5-year backtest shows a typical error of ±17.5%, with 60% 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 →
20264.93.95.9
20274.94.05.9
20285.04.06.0
20295.14.16.1
20305.24.26.2

White-breasted Nuthatch Survey Routes in Ohio

Routes recording White-breasted Nuthatch in Ohio.
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 →
Tar Hollow3320241992
Scioto Trail2020131992
Wayne N.F.1820241992
Wilgus1520191992
Shawnee S.F.1420001992
Birmingham1320241988
Tecumseh1119821966
Omega1120241966
Marion1020231966
Meadowbrook1020211966
Mohican S.F.1020251992
West Elkton920121992
Rome820251966
Pittsfield720241992
Bolins Mills720251966
Pomeroy720221966
Tick Ridge720191993
Dresden620251966
Stonecreek620251999
Harveysburg 2620251997
Enon620251984
Keene620231992
Garrettsvile519901966
Lucerne520251992
Baxter Ridge520251998

White-breasted Nuthatch Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaoklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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