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Species · Alabama · BBS 2025 Release · 1966–2024

Red-cockaded Woodpecker Population Trend in Alabama

All statesForest birds

Red-cockaded Woodpecker in Alabama has edged down: down 22% on the route-weighted index since 1969.

-22%Since 1969TrendPercent 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 →
9Routes 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 →
22YearsYears 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-cockaded 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-cockaded Woodpecker in Alabama. See the full index history below.

Red-cockaded Woodpecker Population Forecast in Alabama

If the recent trend holds, Red-cockaded Woodpecker in Alabama is projected to fall about 63% by 2029 — from 0.09 in 2024 to a central estimate of 0.03 (95% range 0.00–0.09). A 5-year backtest shows a typical error of ±71.4%, with 80% of held-out values landing inside the 95% band.

-63%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 →
0.03Projected 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 →
0.00–0.0995% 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 →
±71.4%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, Red-cockaded Woodpecker in Alabama is projected to fall about 63% by 2029 — from 0.09 in 2024 to a central estimate of 0.03 (95% range 0.00–0.09). A 5-year backtest shows a typical error of ±71.4%, with 80% 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 →
20250.030.000.09
20260.030.000.09
20270.030.000.09
20280.030.000.09
20290.030.000.09

Red-cockaded Woodpecker Survey Routes in Alabama

Routes recording Red-cockaded 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 →
Borden Springs 2420242005
Alabama Pt219771972
Foley219731969
Mclellan120242001
Castleberry119771977
Sunny Eve119671966
Greensport119671967
Mt Olive119751975
Harrell119711971

Red-cockaded Woodpecker Population Trend in Other States

arkansasfloridageorgialouisianamississippinorth-carolinasouth-carolinatexasvirginia

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.