BirdAnalyst
Species · BCR 29 · BBS 2026 Release · 1966–2025

Red-bellied Woodpecker In Piedmont

All regionsPiedmontForest birds

Red-bellied Woodpecker in Piedmont has surged: up 112% on the route-weighted index since 1968.

+112%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 →
170Routes In RegionSurvey 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 SignalsNotable 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 Piedmont: up 112% on the route-weighted index since 1968.

Red-bellied Woodpecker In Piedmont Population Forecast

If the recent trend holds, Red-bellied Woodpecker in Piedmont is projected to stay roughly flat through 2030, near 15 (95% range 13–17). A 5-year backtest shows a typical error of ±11.5%, with 80% 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 →
15Projected 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 →
13–1795% 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 →
±11.5%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 Piedmont is projected to stay roughly flat through 2030, near 15 (95% range 13–17). A 5-year backtest shows a typical error of ±11.5%, with 80% 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 →
2026141216
2027141316
2028141316
2029151316
2030151317

Routes In Piedmont

Routes recording Red-bellied Woodpecker in Piedmont.
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 →
EmmitsburgMARYLAND342025
OlneyMARYLAND332025
WheatonMARYLAND312025
EkloMARYLAND292018
MadonnaMARYLAND292022
Croton 2NEW-JERSEY262025
Bachman MillMARYLAND252025
IjamsvilleMARYLAND252025
ChesneeSOUTH-CAROLINA252015
CrestGEORGIA242025
RinggoldVIRGINIA242025
Lincolnton 2GEORGIA232025
RolandGEORGIA222025
Carrs StationGEORGIA222025
SheffieldNORTH-CAROLINA222025
BullockNORTH-CAROLINA222025
HollonvilleGEORGIA212003
Stoney PointGEORGIA202007
Pleasant ValMARYLAND202025
Van BibberMARYLAND202013
FairviewNORTH-CAROLINA202025
Doe RunPENNSYLVANIA202025
MaxeysGEORGIA192024
FairplayGEORGIA191991
YoungsvilleNORTH-CAROLINA192025

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