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Species · South Carolina · BBS 2025 Release · 1966–2024

Red-bellied Woodpecker Population Trend in South Carolina

All statesForest birds

Red-bellied Woodpecker in South Carolina has held roughly steady: up 2% on the route-weighted index since 1968.

+2%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 →
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 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 rise about 10% by 2029 — from 12 in 2024 to a central estimate of 14 (95% range 10–17). A 5-year backtest shows a typical error of ±19.6%, with 100% of held-out values landing inside the 95% band.

+10%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 →
14Projected 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 →
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 →
±19.6%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-bellied Woodpecker in South Carolina is projected to rise about 10% by 2029 — from 12 in 2024 to a central estimate of 14 (95% range 10–17). A 5-year backtest shows a typical error of ±19.6%, with 100% 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 →
20251310.017
20261310.017
2027141017
2028141017
2029141017

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 →
Chesnee2520151992
Rome2420241967
Adams Run2420241988
Nixville2320211998
Walterboro2120171970
Ward2120212017
Dale2120241998
Kiawah Island2020241998
Holly Hill1920241972
Green Sea1920242010
Owings1820041992
Ridgeway1820212010
Olar1820191998
Prosperity1720241992
Kingstree1520102010
Red Bluff1420241996
Hardeeville1320241967
New Holland1320241967
Blacksburg1320131998
Mount Pisgah1220211998
Johns Isle1119791966
Little Mtn1119881966
Campobello1120242010
Lowrys1120212017
Foreston1020211966

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 2026-05-22.