BirdAnalyst
Species · BCR 14 · BBS 2025 Release · 1966–2024

Eastern Wood-Pewee In Atlantic Northern Forest

All regionsAtlantic Northern ForestAerial insectivores

Eastern Wood-Pewee in Atlantic Northern Forest has edged up: up 15% on the route-weighted index since 1968.

+15%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 →
153Routes 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 →
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 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 Eastern Wood-Pewee in Atlantic Northern Forest. See the full index history below.

Eastern Wood-Pewee In Atlantic Northern Forest Population Forecast

If the recent trend holds, Eastern Wood-Pewee in Atlantic Northern Forest is projected to fall about 32% by 2029 — from 2.5 in 2024 to a central estimate of 1.7 (95% range 0.65–2.7). A 5-year backtest shows a typical error of ±40.9%, with 20% of held-out values landing inside the 95% band.

-32%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 →
1.7Projected 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 →
0.65–2.795% 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 →
±40.9%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, Eastern Wood-Pewee in Atlantic Northern Forest is projected to fall about 32% by 2029 — from 2.5 in 2024 to a central estimate of 1.7 (95% range 0.65–2.7). A 5-year backtest shows a typical error of ±40.9%, with 20% 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 →
20251.80.752.8
20261.80.732.8
20271.70.702.8
20281.70.682.7
20291.70.652.7

Routes In Atlantic Northern Forest

Routes recording Eastern Wood-Pewee 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 →
ManchesterMAINE131995
WaiteMAINE111977
N OrangeMASSACHUSETTS102024
WestbrookMAINE82024
ChesterfieldMASSACHUSETTS82024
PetersburgNEW-YORK82018
SheffieldMASSACHUSETTS72022
ConcordNEW-HAMPSHIRE72024
KasoagNEW-YORK72024
S WallingfrdVERMONT72022
HermonMAINE62019
CanterburyNEW-HAMPSHIRE62024
DegrasseNEW-YORK62024
New HartfordCONNECTICUT52024
HarmonyMAINE52024
SearsportMAINE52024
MontereyMASSACHUSETTS52024
MarlowNEW-HAMPSHIRE52024
HighmarketNEW-YORK52024
FletcherVERMONT52024
WarrenMAINE41990
BrooksMAINE42019
DebloisMAINE42005
CharlestonMAINE42019
BenedictaMAINE42019

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