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Species · West Virginia · BBS 2025 Release · 1966–2024

Eastern Kingbird Population Trend in West Virginia

All statesAerial insectivores

Eastern Kingbird in West Virginia has edged down: down 25% on the route-weighted index since 1968.

-25%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 →
60Routes 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 →
58YearsYears 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 West VirginiaNotable 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 West Virginia. See the full index history below.

Eastern Kingbird Population Forecast in West Virginia

If the recent trend holds, Eastern Kingbird in West Virginia is projected to rise about 74% by 2029 — from 0.73 in 2024 to a central estimate of 1.3 (95% range 0.49–2.1). A 5-year backtest shows a typical error of ±40.6%, with 100% of held-out values landing inside the 95% band.

+74%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 →
1.3Projected 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 →
0.49–2.195% 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 →
±40.6%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 West Virginia is projected to rise about 74% by 2029 — from 0.73 in 2024 to a central estimate of 1.3 (95% range 0.49–2.1). A 5-year backtest shows a typical error of ±40.6%, with 100% of held-out values landing inside the 95% band.19662029
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 →
20251.30.512.1
20261.30.512.1
20271.30.502.1
20281.30.492.1
20291.30.492.1

Eastern Kingbird Survey Routes in West Virginia

Routes recording Eastern Kingbird in West Virginia.
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 →
Cedarville720231982
Josephs Mill720241993
Berryburg419931976
Bebee420241972
Rio419951974
Martinsburg420241968
Spencer320231986
Denmar320231980
Mo Of Seneca320191969
Mcdonald320231987
Sleepy Creek319901967
Henderson320072002
Hix220241970
Bramwell220222003
Pt Pleasant220231973
Hubbardstown220211982
Nicut220231986
Three Forks220231971
Slate220211982
Moundsville220241973
Smithfield220211993
Yellow Spg220231972
Clinton220241966
Bemis220232008
Smoot120231980

Eastern Kingbird Population Trend in Other States

alabamaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwisconsinwyoming

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