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Species · Louisiana · BBS 2026 Release · 1966–2025

Red-headed Woodpecker Population Trend in Louisiana

All statesForest birds

Red-headed Woodpecker in Louisiana has fallen sharply: down 62% on the route-weighted index since 1969.

-62%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 →
74Routes 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 LouisianaNotable 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 declinecomputed 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-headed Woodpecker has fallen sharply in Louisiana: down 62% on the route-weighted index since 1969.

Red-headed Woodpecker Population Forecast in Louisiana

If the recent trend holds, Red-headed Woodpecker in Louisiana is projected to fall about 23% by 2030 — from 1.1 in 2025 to a central estimate of 0.86 (95% range 0.00–2.1). A 5-year backtest shows a typical error of ±17.6%, with 100% of held-out values landing inside the 95% band.

-23%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 →
0.86Projected 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 →
0.00–2.195% 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 →
±17.6%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 Louisiana is projected to fall about 23% by 2030 — from 1.1 in 2025 to a central estimate of 0.86 (95% range 0.00–2.1). A 5-year backtest shows a typical error of ±17.6%, with 100% of held-out values landing inside the 95% band.19672030
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 →
20260.930.002.2
20270.920.002.2
20280.900.002.2
20290.880.002.1
20300.860.002.1

Red-headed Woodpecker Survey Routes in Louisiana

Routes recording Red-headed Woodpecker in Louisiana.
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 →
Fishville720171967
Slidell719881984
Shaw620241967
Mayflower520251967
Clay520251970
Hargis520112007
Lacombe419831967
Vinton 2420252011
Greensburg420221988
Many419921989
Marion419961988
Baton Rouge420251995
Port Allen420052003
Derry 2420241991
Easton319901967
Chatham319751967
Longstreet320241978
Floyd320211988
Gonzales320191998
Ivan320131999
Pearl River320251989
Natchez320241993
Ville Platte319931993
Oakdale319941991
Freetown219841984

Red-headed Woodpecker Population Trend in Other States

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

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