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Species · Alabama · BBS 2026 Release · 1966–2025

American Crow Population Trend in Alabama

All statesGeneralists

American Crow in Alabama has edged up: up 20% on the route-weighted index since 1968.

+20%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 American Crow 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 →

No notable trend signals for American Crow in Alabama. See the full index history below.

American Crow Population Forecast in Alabama

If the recent trend holds, American Crow in Alabama is projected to rise about 11% by 2030 — from 41 in 2025 to a central estimate of 46 (95% range 35–57). A 5-year backtest shows a typical error of ±16.8%, with 100% of held-out values landing inside the 95% band.

+11%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 →
46Projected 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 →
35–5795% 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 →
±16.8%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, American Crow in Alabama is projected to rise about 11% by 2030 — from 41 in 2025 to a central estimate of 46 (95% range 35–57). A 5-year backtest shows a typical error of ±16.8%, 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 →
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American Crow Survey Routes in Alabama

Routes recording American Crow 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 →
Seale10320171996
Choccolocco8320251984
Liberty City7920111979
Elamville7420251984
Helicon6820251996
Warrior Std6720251966
Odenville6720251996
Talladega6620251996
Dearmanville6519831966
Howard6520251966
Jena6320251981
Lakeview6220251999
Mt. Gilead6120251993
Nixburg 26120252000
Borden Springs 26020242001
Brantley5920251966
Wedowee5920231996
Greensport5620251966
Sunny Eve5420251966
Epes5320241980
Vina5220231996
Whitehall5120251983
Childersburg5119991985
Holt5120251993
Harrell4920251968

American Crow Population Trend in Other States

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

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