BirdAnalyst
Species · BCR 22 · BBS 2026 Release · 1966–2025

European Starling In Eastern Tallgrass Prairie

All regionsEastern Tallgrass PrairieGeneralists

European Starling in Eastern Tallgrass Prairie has declined: down 44% on the route-weighted index since 1968.

-44%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 →
278Routes In RegionSurvey 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 SignalsNotable 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 Eastern Tallgrass Prairie. See the full index history below.

European Starling In Eastern Tallgrass Prairie Population Forecast

If the recent trend holds, European Starling in Eastern Tallgrass Prairie is projected to stay roughly flat through 2030, near 68 (95% range 39–97). A 5-year backtest shows a typical error of ±24.3%, with 100% of held-out values landing inside the 95% band.

+9%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 →
68Projected 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 →
39–9795% 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 →
±24.3%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 Eastern Tallgrass Prairie is projected to stay roughly flat through 2030, near 68 (95% range 39–97). A 5-year backtest shows a typical error of ±24.3%, 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 →
20267041100
2027704099
2028694098
2029693998
2030683997

Routes In Eastern Tallgrass Prairie

Routes recording European Starling in Eastern Tallgrass Prairie.
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 →
TecumsehOHIO5161982
DunlapOHIO4701988
WilmingtonOHIO4071996
MilfordILLINOIS4012025
SextonINDIANA3692024
DarrtownOHIO3332021
MaplewoodINDIANA3102021
HarveysburgOHIO2991996
W CarrolltonOHIO2752015
DecaturINDIANA2732025
SwayzeeINDIANA2702025
ThorntownINDIANA2592025
NewportOHIO2561994
BrookvilleINDIANA2352025
Marion 2OHIO2292025
KokomoINDIANA2282024
JamestownINDIANA2252025
ShelbyvilleINDIANA2192025
TiptonINDIANA1991992
Trading PostKANSAS1992025
PeoriaOKLAHOMA1972023
PlainfieldINDIANA1931999
Grape CreekILLINOIS1912025
GalvestonINDIANA1912025
BeaucoupILLINOIS1902025

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