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Species · Alabama · BBS 2025 Release · 1966–2024

Red-headed Woodpecker Population Trend in Alabama

All statesForest birds

Red-headed Woodpecker in Alabama has held roughly steady: down 4% on the route-weighted index since 1968.

-4%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 →
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 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 23% by 2029 — from 1.6 in 2024 to a central estimate of 1.2 (95% range 0.62–1.8). A 5-year backtest shows a typical error of ±26.2%, with 60% of held-out values landing inside the 95% band.

-23%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 →
1.2Projected 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 →
0.62–1.895% 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 →
±26.2%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 23% by 2029 — from 1.6 in 2024 to a central estimate of 1.2 (95% range 0.62–1.8). A 5-year backtest shows a typical error of ±26.2%, with 60% 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 →
20251.20.631.8
20261.20.631.8
20271.20.631.8
20281.20.621.8
20291.20.621.8

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
Mt. Gilead720241994
Rock Chapel620241995
Woodville620242007
South520231966
Epes520241980
Citronelle520231998
Newton420241966
Grangeburg420231966
Birmingham419951969
Holt420231993
Liberty City 2420222017
Nixburg 2420242001
Drummond420242001
Hillsboro319941971
Greensport320231985
Warrior Std320241966
Cottonton320241966
Brantley320241966
Foley319841966
Blocton320241969
Liberty City320111979
Escatawpa320231983
Elberta320221986
Gastonburg320241997

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 2026-05-22.