BirdAnalyst
Species · BCR 30 · BBS 2025 Release · 1966–2024

Yellow-bellied Sapsucker In New England / Mid-Atlantic Coast

All regionsNew England / Mid-Atlantic CoastForest birds

Yellow-bellied Sapsucker in New England / Mid-Atlantic Coast has surged: up 14× on the route-weighted index since 1968.

14×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 →
27Routes 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 →
55YearsYears 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 →

Yellow-bellied Sapsucker has surged in New England / Mid-Atlantic Coast: up 14× on the route-weighted index since 1968.

Yellow-bellied Sapsucker In New England / Mid-Atlantic Coast Population Forecast

If the recent trend holds, Yellow-bellied Sapsucker in New England / Mid-Atlantic Coast is projected to rise about 12% by 2029 — from 0.59 in 2024 to a central estimate of 0.67 (95% range 0.40–0.93). A 5-year backtest shows a typical error of ±14.9%, with 100% of held-out values landing inside the 95% band.

+12%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 →
0.67Projected 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 →
0.40–0.9395% 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 →
±14.9%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, Yellow-bellied Sapsucker in New England / Mid-Atlantic Coast is projected to rise about 12% by 2029 — from 0.59 in 2024 to a central estimate of 0.67 (95% range 0.40–0.93). A 5-year backtest shows a typical error of ±14.9%, 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 →
20250.620.350.88
20260.630.370.89
20270.640.380.90
20280.650.390.92
20290.670.400.93

Routes In New England / Mid-Atlantic Coast

Routes recording Yellow-bellied Sapsucker in New England / Mid-Atlantic Coast.
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 →
WarrenCONNECTICUT242011
StraffordNEW-HAMPSHIRE142024
Warren 2CONNECTICUT102024
Ware RiverMASSACHUSETTS62022
ShermanCONNECTICUT52019
GranbyCONNECTICUT52024
Woodstock 2CONNECTICUT42024
BelchertownMASSACHUSETTS42024
No WoodburyCONNECTICUT32024
EpsomNEW-HAMPSHIRE32023
BuckinghamCONNECTICUT22022
Long HillCONNECTICUT22018
SouthingtonCONNECTICUT22021
WarrenMASSACHUSETTS22008
S BarreMASSACHUSETTS22024
MysticCONNECTICUT12021
E HartlandCONNECTICUT11989
UncasvilleCONNECTICUT12014
DanburyCONNECTICUT12023
Mid HaddamCONNECTICUT12023
NewburyportMASSACHUSETTS11969
HoldenMASSACHUSETTS12024
Warren 2MASSACHUSETTS12024
BrentwoodNEW-HAMPSHIRE11968
East KingstonNEW-HAMPSHIRE12021

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.