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Species · South Carolina · BBS 2026 Release · 1966–2025

Red-bellied Woodpecker Population Trend in South Carolina

All statesForest birds

Red-bellied Woodpecker in South Carolina has held roughly steady: down 1% on the route-weighted index since 1968.

-1%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 →
51Routes 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 South CarolinaNotable 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-bellied Woodpecker in South Carolina. See the full index history below.

Red-bellied Woodpecker Population Forecast in South Carolina

If the recent trend holds, Red-bellied Woodpecker in South Carolina is projected to stay roughly flat through 2030, near 13 (95% range 10–17). A 5-year backtest shows a typical error of ±15.5%, with 100% of held-out values landing inside the 95% band.

+8%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 →
13Projected 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 →
10–1795% 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 →
±15.5%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 South Carolina is projected to stay roughly flat through 2030, near 13 (95% range 10–17). A 5-year backtest shows a typical error of ±15.5%, 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 →
2026139.917
20271310.017
20281310.017
20291310.017
2030131017

Red-bellied Woodpecker Survey Routes in South Carolina

Routes recording Red-bellied Woodpecker in South Carolina.
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 →
Dale3020251998
Chesnee2520151992
Hardeeville2320251967
Coward2220251966
New Holland2020251967
Holly Hill1820251972
Owings1820041992
Olar1820191998
Nixville1820251998
New Ellenton1720252010
Ridgeway1720252010
Prosperity1720241992
Green Sea1620252010
Red Bluff1620251996
Kingstree1520102010
Adams Run1520251988
Greenwood1420251998
Blacksburg1320131998
Rome1220251967
Plum Branch1220251977
Ward1220252017
Johns Isle1119791966
Little Mtn1119881966
Salem1120252010
Mount Pisgah1120251998

Red-bellied Woodpecker Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsin

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