BirdAnalyst
Species · BCR 14 · BBS 2026 Release · 1966–2025

Red-bellied Woodpecker In Atlantic Northern Forest

All regionsAtlantic Northern ForestForest birds

Red-bellied Woodpecker in Atlantic Northern Forest has surged: up 50× on the route-weighted index since 1995.

50×Since 1995TrendPercent 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 →
50Routes 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 →
31YearsYears 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 →

No notable trend signals for Red-bellied Woodpecker in Atlantic Northern Forest. See the full index history below.

Red-bellied Woodpecker In Atlantic Northern Forest Population Forecast

If the recent trend holds, Red-bellied Woodpecker in Atlantic Northern Forest is projected to fall about 21% by 2030 — from 1.2 in 2025 to a central estimate of 0.97 (95% range 0.53–1.4). A 5-year backtest shows a typical error of ±56.7%, with 0% of held-out values landing inside the 95% band.

-21%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 →
0.97Projected 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 →
0.53–1.495% 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 →
±56.7%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 Atlantic Northern Forest is projected to fall about 21% by 2030 — from 1.2 in 2025 to a central estimate of 0.97 (95% range 0.53–1.4). A 5-year backtest shows a typical error of ±56.7%, with 0% of held-out values landing inside the 95% band.19862030
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 →
20260.850.411.3
20270.880.441.3
20280.910.471.3
20290.940.501.4
20300.970.531.4

Routes In Atlantic Northern Forest

Routes recording Red-bellied Woodpecker in Atlantic Northern Forest.
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 →
N OrangeMASSACHUSETTS82025
CanterburyNEW-HAMPSHIRE82025
WalpoleNEW-HAMPSHIRE72025
NewcastleMAINE62024
MontereyMASSACHUSETTS62025
FitzwilliamNEW-HAMPSHIRE52025
MarlowNEW-HAMPSHIRE52025
HopkintonNEW-HAMPSHIRE42025
ConcordNEW-HAMPSHIRE42025
Gilmantn I WNEW-HAMPSHIRE42025
WestbrookMAINE32024
PittsfieldMASSACHUSETTS32016
PeterboroughNEW-HAMPSHIRE32025
MarlboroVERMONT32025
W RutlandVERMONT32025
New HartfordCONNECTICUT21987
BethelMAINE22019
Turner 2MAINE22025
Brownfield 2MAINE22025
ChesterfieldMASSACHUSETTS22025
SheffieldMASSACHUSETTS22022
S WallingfrdVERMONT22022
New HartfordCONNECTICUT12024
GreenwoodMAINE12023
HartfordMAINE12014

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