BirdAnalyst
Species · Alabama · BBS 2026 Release · 1966–2025

Red-headed Woodpecker Population Trend in Alabama

All statesForest birds

Red-headed Woodpecker in Alabama has held roughly steady: down 1% on the route-weighted index since 1968.

-1%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 →
106Routes 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 Red-headed Woodpecker 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 Red-headed Woodpecker in Alabama. See the full index history below.

Red-headed Woodpecker Population Forecast in Alabama

If the recent trend holds, Red-headed Woodpecker in Alabama is projected to fall about 25% by 2030 — from 1.7 in 2025 to a central estimate of 1.2 (95% range 0.64–1.8). A 5-year backtest shows a typical error of ±31.9%, with 40% of held-out values landing inside the 95% band.

-25%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 →
1.2Projected 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 →
0.64–1.895% 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 →
±31.9%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, Red-headed Woodpecker in Alabama is projected to fall about 25% by 2030 — from 1.7 in 2025 to a central estimate of 1.2 (95% range 0.64–1.8). A 5-year backtest shows a typical error of ±31.9%, with 40% 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 →
20261.30.651.9
20271.30.651.9
20281.20.651.8
20291.20.651.8
20301.20.641.8

Red-headed Woodpecker Survey Routes in Alabama

Routes recording Red-headed Woodpecker 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 →
Eufaula1020241996
Holt620251993
Rock Chapel620241995
Woodville620242007
Liberty City 2620252017
Epes520241980
Citronelle520231998
Greensboro420251971
Newton420241966
Grangeburg420231966
Castleberry420251966
Birmingham419951969
Wedgeworth420251984
Nixburg 2420252001
Drummond420242001
Hillsboro319941971
Pine Grove320251970
Greensport320231985
Harrell320251968
Warrior Std320251966
Cottonton320241966
Brantley320251966
Foley319841966
Blocton320241969
Liberty City320111979

Red-headed Woodpecker Population Trend in Other States

arkansascoloradoconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamarylandmichiganminnesotamississippimissourimontananebraskanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniasouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming

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