BirdAnalyst
Species · BCR 30 · BBS 2026 Release · 1966–2025

Eastern Wood-Pewee In New England / Mid-Atlantic Coast

All regionsNew England / Mid-Atlantic CoastAerial insectivores

Eastern Wood-Pewee in New England / Mid-Atlantic Coast has surged: up 90% on the route-weighted index since 1968.

+90%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 →
161Routes 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 →

Eastern Wood-Pewee has surged in New England / Mid-Atlantic Coast: up 90% on the route-weighted index since 1968.

Eastern Wood-Pewee In New England / Mid-Atlantic Coast Population Forecast

If the recent trend holds, Eastern Wood-Pewee in New England / Mid-Atlantic Coast is projected to fall about 26% by 2030 — from 9.7 in 2025 to a central estimate of 7.1 (95% range 5.8–8.5). A 5-year backtest shows a typical error of ±18.6%, with 40% of held-out values landing inside the 95% band.

-26%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 →
7.1Projected 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 →
5.8–8.595% 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 →
±18.6%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 New England / Mid-Atlantic Coast is projected to fall about 26% by 2030 — from 9.7 in 2025 to a central estimate of 7.1 (95% range 5.8–8.5). A 5-year backtest shows a typical error of ±18.6%, with 40% 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 →
20266.95.68.3
20277.05.68.4
20287.05.78.4
20297.15.78.5
20307.15.88.5

Routes In New England / Mid-Atlantic Coast

Routes recording Eastern Wood-Pewee 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 →
Spraguetown 3NEW-JERSEY442025
BrandonVIRGINIA302025
PomonaNEW-JERSEY292025
Island CreekMARYLAND262025
PomonkeyMARYLAND232025
FriendshipNEW-JERSEY232025
Estell ManorNEW-JERSEY222025
WinslowNEW-JERSEY222025
DavidsnvilleMARYLAND202025
Port RoyalVIRGINIA202025
WalkersVIRGINIA202023
FredericaDELAWARE182025
HongaMARYLAND182025
UncasvilleCONNECTICUT172025
HughesvilleMARYLAND162025
NottinghamMARYLAND162025
DoverNEW-HAMPSHIRE162025
WarrenCONNECTICUT152011
HarringtonDELAWARE152025
EastonMARYLAND152025
Pt RepublicMARYLAND141989
MillingtonMARYLAND142025
MadisonMARYLAND142025
Furnace TownMARYLAND142025
ShannockRHODE-ISLAND142025

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