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Species · Alabama · BBS 2026 Release · 1966–2025

Red-bellied Woodpecker Population Trend in Alabama

All statesForest birds

Red-bellied Woodpecker in Alabama has risen sharply: up 54% on the route-weighted index since 1968.

+54%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 →
109Routes 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-bellied 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 →

long arc increasecomputed 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 →

Red-bellied Woodpecker has risen sharply in Alabama: up 54% on the route-weighted index since 1968.

Red-bellied Woodpecker Population Forecast in Alabama

If the recent trend holds, Red-bellied Woodpecker in Alabama is projected to stay roughly flat through 2030, near 15 (95% range 13–17). A 5-year backtest shows a typical error of ±5.8%, with 100% of held-out values landing inside the 95% band.

-5%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 →
15Projected 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 →
13–1795% 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 →
±5.8%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, Red-bellied Woodpecker in Alabama is projected to stay roughly flat through 2030, near 15 (95% range 13–17). A 5-year backtest shows a typical error of ±5.8%, 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 →
2026151316
2027151317
2028151317
2029151317
2030151317

Red-bellied Woodpecker Survey Routes in Alabama

Routes recording Red-bellied 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 →
Epes3820241980
Gainestown Ferry3520151999
Newton3120241966
Wedgeworth2920251979
Rock Chapel2920241995
Brundidge2820211966
Whitehall2820251983
Citronelle2720231997
Chacaloochee Bay2720192009
Greensboro2620251966
Castleberry2620251966
Eufaula2620241996
Grangeburg2520241966
Odenville2520251996
Bon Secour2520231993
Gastonburg2420241996
Carrollton2320251993
Stevenson2320241996
Autaugaville2320251996
Linden2220231968
Mclellan2220251966
Fairview2220251989
Warrior Std2120251966
Blocton2120251969
Grove Hill2120231983

Red-bellied Woodpecker Population Trend in Other States

arkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsin

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