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Species · Vermont · BBS 2026 Release · 1966–2025

Eastern Wood-Pewee Population Trend in Vermont

All statesAerial insectivores

Eastern Wood-Pewee in Vermont has edged down: down 25% on the route-weighted index since 1968.

-25%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 →
26Routes In StateSurvey 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 Eastern Wood-Pewee Trends in VermontNotable 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 Vermont. See the full index history below.

Eastern Wood-Pewee Population Forecast in Vermont

If the recent trend holds, Eastern Wood-Pewee in Vermont is projected to fall about 21% by 2030 — from 2.3 in 2025 to a central estimate of 1.8 (95% range 0.71–2.9). A 5-year backtest shows a typical error of ±29.8%, with 80% 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 →
1.8Projected 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 →
0.71–2.995% 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 →
±29.8%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 Vermont is projected to fall about 21% by 2030 — from 2.3 in 2025 to a central estimate of 1.8 (95% range 0.71–2.9). A 5-year backtest shows a typical error of ±29.8%, with 80% 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 →
20261.90.783.0
20271.80.762.9
20281.80.742.9
20291.80.732.9
20301.80.712.9

Eastern Wood-Pewee Survey Routes in Vermont

Routes recording Eastern Wood-Pewee in Vermont.
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 →
North Pownal1420251966
S Wallingfrd720221966
Marlboro520251966
W Rutland420251966
Stowe420241988
S Reading320241966
Gaysville320251966
Middlesex320251968
Fletcher320251970
Waterville319801967
Post Mills220241966
East Haven220251966
East Calais220221966
Hinesburg219941966
Bristol220251995
Stratton120251967
Landgrove120221969
Shaftsbury120251966
St Johnsbury120251970
Northfld Fls120211980
Newbury120031987
Hardwick120241966
Greensboro120251967
Colchester120161986
Grand Isle120251967

Eastern Wood-Pewee Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvirginiawest-virginiawisconsin

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