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

Downy Woodpecker In Piedmont

All regionsPiedmontForest birds

Downy Woodpecker in Piedmont has risen sharply: up 66% on the route-weighted index since 1968.

+66%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 →
172Routes 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 →

Downy Woodpecker has risen sharply in Piedmont: up 66% on the route-weighted index since 1968.

Downy Woodpecker In Piedmont Population Forecast

If the recent trend holds, Downy Woodpecker in Piedmont is projected to stay roughly flat through 2030, near 4.6 (95% range 3.6–5.7). A 5-year backtest shows a typical error of ±11.9%, with 100% 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 →
4.6Projected 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 →
3.6–5.795% 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 →
±11.9%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, Downy Woodpecker in Piedmont is projected to stay roughly flat through 2030, near 4.6 (95% range 3.6–5.7). A 5-year backtest shows a typical error of ±11.9%, 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 →
20264.53.55.5
20274.53.55.6
20284.63.55.6
20294.63.55.6
20304.63.65.7

Routes In Piedmont

Routes recording Downy 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 →
WheatonMARYLAND202025
Hollonville 2GEORGIA172022
EarltonMARYLAND162024
EdenNORTH-CAROLINA142025
IjamsvilleMARYLAND132025
YoungsvilleNORTH-CAROLINA132025
OlneyMARYLAND112025
MadonnaMARYLAND112022
OakboroNORTH-CAROLINA112025
WilgroveNORTH-CAROLINA112025
GuptonNORTH-CAROLINA112025
Little MtnSOUTH-CAROLINA111988
RutledgeGEORGIA102025
Kite LakeGEORGIA102025
WoodstockGEORGIA102021
Silver SpgMARYLAND101989
ChathamPENNSYLVANIA102025
HiramGEORGIA92018
Good HopeGEORGIA92025
Rock BranchGEORGIA92025
NorwoodMARYLAND92012
EkloMARYLAND92018
MannboroVIRGINIA92025
Liberty CityALABAMA82011
MaxeysGEORGIA82024

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