BirdAnalyst
Species · Oregon · BBS 2025 Release · 1966–2024

Eastern Kingbird Population Trend in Oregon

All statesAerial insectivores

Eastern Kingbird in Oregon has held roughly steady: up 9% on the route-weighted index since 1971.

+9%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 →
37Routes 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 →
55YearsYears 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 stay roughly flat through 2029, near 0.26 (95% range 0.00–0.59). A 5-year backtest shows a typical error of ±34.5%, with 100% of held-out values landing inside the 95% band.

+9%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 →
0.26Projected 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 →
0.00–0.5995% 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 →
±34.5%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, Eastern Kingbird in Oregon is projected to stay roughly flat through 2029, near 0.26 (95% range 0.00–0.59). A 5-year backtest shows a typical error of ±34.5%, 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 →
20250.280.000.61
20260.270.000.60
20270.270.000.60
20280.260.000.59
20290.260.000.59

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 →
Bridgeport2120221986
Sparta1620011971
Monument720242022
Fish Lake620241972
Zumwalt420022002
Joseph420241971
Wagontire319721968
Umatilla320232022
Lone Rock220011971
Imnaha220171968
Logdell220231987
Pendleton220241972
Princeton219851973
Mikkalo220211996
Ordnance119751973
Albee120181969
Flora120012001
Summit Pr120082008
Deschutes119731973
Wickiup119991986
Buchanan120162016
Wedderburn119751974
Malheur Nwr120221987
Modoc Point119941994
Montague119861986

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 2026-05-22.