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Species · Alabama · BBS 2026 Release · 1966–2025

Eastern Kingbird Population Trend in Alabama

All statesAerial insectivores

Eastern Kingbird in Alabama has fallen sharply: down 52% on the route-weighted index since 1968.

-52%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 →
108Routes 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 →
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 Eastern Kingbird Trends in AlabamaNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Eastern Kingbird has fallen sharply in Alabama: down 52% on the route-weighted index since 1968.

Eastern Kingbird Population Forecast in Alabama

If the recent trend holds, Eastern Kingbird in Alabama is projected to fall about 29% by 2030 — from 4.9 in 2025 to a central estimate of 3.4 (95% range 1.9–5.0). A 5-year backtest shows a typical error of ±13.3%, with 100% of held-out values landing inside the 95% band.

-29%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 →
3.4Projected 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 →
1.9–5.095% 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 →
±13.3%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, Eastern Kingbird in Alabama is projected to fall about 29% by 2030 — from 4.9 in 2025 to a central estimate of 3.4 (95% range 1.9–5.0). A 5-year backtest shows a typical error of ±13.3%, 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 →
20263.82.25.4
20273.72.15.3
20283.62.05.2
20293.51.95.1
20303.41.95.0

Eastern Kingbird Survey Routes in Alabama

Routes recording Eastern Kingbird in Alabama.
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 →
Stevenson1920241996
Riverside1820131999
Billingsley1720251966
Millry1720181970
Harrell1320251968
Brantley1320251966
Newton1220241966
Eufaula1220241996
Howard1120251966
Brundidge1120211966
Whitehall1120251983
Childersburg1119991985
Talladega1120251996
Elamville1020251984
Calebee1020251993
Hillsboro919961966
Dearmanville919831966
Cottonton920251966
Epes920241980
Elberta920221986
Autaugaville920251996
Latham820001966
Foley819841966
Carrollton820251993
Brooksville820251984

Eastern Kingbird Population Trend in Other States

arkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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