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

Eastern Kingbird Population Trend in Oregon

All statesAerial insectivores

Eastern Kingbird in Oregon has edged up: up 24% on the route-weighted index since 1971.

+24%Since 1971TrendPercent 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 →
42Routes 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 →
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 Eastern Kingbird Trends in OregonNotable 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 Eastern Kingbird in Oregon. See the full index history below.

Eastern Kingbird Population Forecast in Oregon

If the recent trend holds, Eastern Kingbird in Oregon is projected to fall about 58% by 2030 — from 0.68 in 2025 to a central estimate of 0.29 (95% range 0.00–0.63). A 5-year backtest shows a typical error of ±29.8%, with 80% of held-out values landing inside the 95% band.

-58%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 →
0.29Projected 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 →
0.00–0.6395% 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 →
±29.8%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, Eastern Kingbird in Oregon is projected to fall about 58% by 2030 — from 0.68 in 2025 to a central estimate of 0.29 (95% range 0.00–0.63). A 5-year backtest shows a typical error of ±29.8%, with 80% of held-out values landing inside the 95% band.19682030
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 →
20260.300.000.65
20270.300.000.64
20280.290.000.64
20290.290.000.63
20300.290.000.63

Eastern Kingbird Survey Routes in Oregon

Routes recording Eastern Kingbird in Oregon.
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 →
Sparta2220251971
Bridgeport1520251986
Pendleton620251972
Fish Lake620251972
Zumwalt420022002
Imnaha320251968
Wagontire319721968
Newbridge320251992
Umatilla320232022
Lone Rock220011971
Logdell220251987
Princeton219851973
Mikkalo220211996
Twickenham220252019
Catlow Rim220252025
Monument220252022
Ordnance119751973
Albee120251969
Flora120012001
Summit Pr120082008
Deschutes119731973
Wickiup119991986
Buchanan120162016
Wedderburn119751974
Malheur Nwr120221987

Eastern Kingbird Population Trend in Other States

alabamaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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