BirdAnalyst
Species · Louisiana · BBS 2025 Release · 1966–2024

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 →
73Routes 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 →
57YearsYears 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 38% by 2029 — from 1.4 in 2024 to a central estimate of 0.87 (95% range 0.00–2.1). A 5-year backtest shows a typical error of ±13.3%, with 100% of held-out values landing inside the 95% band.

-38%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 →
0.87Projected 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 →
0.00–2.195% 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 →
±13.3%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 38% by 2029 — from 1.4 in 2024 to a central estimate of 0.87 (95% range 0.00–2.1). A 5-year backtest shows a typical error of ±13.3%, with 100% of held-out values landing inside the 95% band.19672029
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 →
20250.940.002.2
20260.920.002.2
20270.900.002.2
20280.880.002.2
20290.870.002.1

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
Trout520241994
Hargis520112007
Pearl River520241989
Lacombe419831967
Bickham420241972
Greensburg420221988
Many419921989
Marion419961988
Port Allen420052003
Derry 2420241991
Easton319901967
Chatham319751967
Longstreet320241978
Floyd320211988
Goodwill320242004
Gonzales320191998
Ivan320131999
Natchez320241993
Ville Platte319931993
Oakdale319941991
Freetown219841984
Roseland220241967

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 2026-05-22.