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

European Starling Population Trend in Ohio

All statesGeneralists

European Starling in Ohio has declined: down 39% on the route-weighted index since 1968.

-39%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 →
89Routes 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 European Starling 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 →

No notable trend signals for European Starling in Ohio. See the full index history below.

European Starling Population Forecast in Ohio

If the recent trend holds, European Starling in Ohio is projected to stay roughly flat through 2030, near 81 (95% range 53–108). A 5-year backtest shows a typical error of ±7%, with 100% of held-out values landing inside the 95% band.

-7%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 →
81Projected 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 →
53–10895% 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 →
±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, European Starling in Ohio is projected to stay roughly flat through 2030, near 81 (95% range 53–108). A 5-year backtest shows a typical error of ±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 →
20268658114
20278557112
20288356111
20298254110
20308153108

European Starling Survey Routes in Ohio

Routes recording European Starling 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 →
Tecumseh51619821966
Dunlap47019881966
Garrettsvile46719911966
Wilmington40719961966
Bismark34619951967
Darrtown33320211966
Harveysburg29919961966
W Carrollton27520151989
Newport25619941966
Marion 222920252024
Vickery22620251996
Napoleon22420251966
Birmingham21120241988
Lockport19820251966
Casstown17220252000
Westerville16719851966
New Somerset16719931966
Kunkle16620251992
Greasy Ridge16619911966
Kalida15920251966
Troy15619961966
Enon15220251984
Graytown13519841966
Botkins13320191992
Xenia12020181966

European Starling Population Trend in Other States

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

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