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Species · Louisiana · BBS 2026 Release · 1966–2025

Red-bellied Woodpecker Population Trend in Louisiana

All statesForest birds

Red-bellied Woodpecker in Louisiana has surged: up 291% on the route-weighted index since 1969.

+291%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 →
95Routes 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-bellied 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 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 surged in Louisiana: up 290% on the route-weighted index since 1969.

Red-bellied Woodpecker Population Forecast in Louisiana

If the recent trend holds, Red-bellied Woodpecker in Louisiana is projected to stay roughly flat through 2030, near 18 (95% range 14–22). A 5-year backtest shows a typical error of ±20.3%, with 20% of held-out values landing inside the 95% band.

-7%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 →
18Projected 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 →
14–2295% 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 →
±20.3%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-bellied Woodpecker in Louisiana is projected to stay roughly flat through 2030, near 18 (95% range 14–22). A 5-year backtest shows a typical error of ±20.3%, with 20% 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 →
2026171421
2027181421
2028181422
2029181422
2030181422

Red-bellied Woodpecker Survey Routes in Louisiana

Routes recording Red-bellied 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 →
Ramah6720251988
Shaw4920241967
Atchafalaya4820251989
Norwood4120252004
Kraemer3620251997
Mayflower3120251967
Mount Union3120251998
Tensas Nwr3020251987
Plettenberg2920221968
Flat Creek2820251998
Roseland2720251967
Franklinton2620252008
Bickham2520251984
Derry 22520251990
River Road2520251987
Fishville 22320252018
Floyd2220211988
Vinton 22220252011
Fishville2120171967
Burr Ferry2120251987
Womack2020251999
Greensburg1820221988
Derry1719891967
Clay1720251968
Transylvania1720251998

Red-bellied Woodpecker Population Trend in Other States

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

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