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Species · Alabama · BBS 2025 Release · 1966–2024

Eastern Kingbird Population Trend in Alabama

All statesAerial insectivores

Eastern Kingbird in Alabama has fallen sharply: down 51% on the route-weighted index since 1968.

-51%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 →
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 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 51% 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 21% by 2029 — from 4.4 in 2024 to a central estimate of 3.5 (95% range 1.9–5.0). A 5-year backtest shows a typical error of ±10.4%, with 100% of held-out values landing inside the 95% band.

-21%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 →
3.5Projected 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 →
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 →
±10.4%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 21% by 2029 — from 4.4 in 2024 to a central estimate of 3.5 (95% range 1.9–5.0). A 5-year backtest shows a typical error of ±10.4%, 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 →
20253.82.25.4
20263.72.15.3
20273.62.15.2
20283.52.05.1
20293.51.95.0

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
Millry1720181970
Whitehall1420241983
Elamville1420241984
Billingsley1220221966
Newton1220241966
Brantley1220241966
Calebee1220241993
Eufaula1220241996
Brundidge1120211966
Childersburg1119991985
Hillsboro919961966
Dearmanville919831966
Epes920241980
Brooksville920231984
Elberta920221986
Howard820241966
Latham820001966
Foley819841966
Elkmont820241990
Greensport720241966
Lanett720241966
Rock Chapel720241995
Lakeview720241999

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 2026-05-22.