BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

European Starling In Great Basin

All regionsGreat BasinGeneralists

European Starling in Great Basin has increased: up 30% on the route-weighted index since 1970.

+30%Since 1970TrendPercent 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 →
229Routes 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 →
56YearsYears 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 Great Basin. See the full index history below.

European Starling In Great Basin Population Forecast

If the recent trend holds, European Starling in Great Basin is projected to rise about 35% by 2029 — from 21 in 2024 to a central estimate of 29 (95% range 16–41). A 5-year backtest shows a typical error of ±37.1%, with 100% of held-out values landing inside the 95% band.

+35%Change by 2029TrendPercent 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 →
29Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
16–4195% 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 →
±37.1%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 Great Basin is projected to rise about 35% by 2029 — from 21 in 2024 to a central estimate of 29 (95% range 16–41). A 5-year backtest shows a typical error of ±37.1%, with 100% of held-out values landing inside the 95% band.19682029
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 →
2025291642
2026291641
2027291641
2028291641
2029291641

Routes In Great Basin

Routes recording European Starling in Great Basin.
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 →
MerrillOREGON3432022
WapatoWASHINGTON3162022
PomonaWASHINGTON2681999
Glenns FerryIDAHO2531986
CedarvilleCALIFORNIA2192024
PocatelloIDAHO2162019
LikelyCALIFORNIA2062024
OrdnanceOREGON2031979
GardnervilleNEVADA1882012
UmatillaOREGON1742023
HarwoodWASHINGTON1681997
Columbia NwrWASHINGTON1532022
EwanWASHINGTON1512019
SelahWASHINGTON1462023
MesaWASHINGTON1422008
DorrisCALIFORNIA1372019
Cedar HillIDAHO1322024
NubieberCALIFORNIA1272018
Mud LakeIDAHO1192023
Timpie SpgUTAH1172003
Toiyabe NfNEVADA1052024
Scootney ReservoirWASHINGTON1022024
IngallsCALIFORNIA892001
PromontoryUTAH862024
MaldenWASHINGTON862024

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