BirdAnalyst
Species · New Jersey · BBS 2025 Release · 1966–2024

Eastern Wood-Pewee Population Trend in New Jersey

All statesAerial insectivores

Eastern Wood-Pewee in New Jersey has surged: up 384% on the route-weighted index since 1968.

+384%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 →
41Routes 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 →
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 Eastern Wood-Pewee Trends in New JerseyNotable 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 Jersey: up 384% on the route-weighted index since 1968.

Eastern Wood-Pewee Population Forecast in New Jersey

If the recent trend holds, Eastern Wood-Pewee in New Jersey is projected to fall about 19% by 2029 — from 9.5 in 2024 to a central estimate of 7.7 (95% range 5.3–10). A 5-year backtest shows a typical error of ±23.7%, with 60% of held-out values landing inside the 95% band.

-19%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 →
7.7Projected 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 →
5.3–1095% 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 →
±23.7%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, Eastern Wood-Pewee in New Jersey is projected to fall about 19% by 2029 — from 9.5 in 2024 to a central estimate of 7.7 (95% range 5.3–10). A 5-year backtest shows a typical error of ±23.7%, with 60% 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 →
20257.34.99.8
20267.45.09.8
20277.55.19.9
20287.65.210
20297.75.310

Eastern Wood-Pewee Survey Routes in New Jersey

Routes recording Eastern Wood-Pewee in New Jersey.
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 35420242021
Friendship2220241977
Pomona2220241978
Estell Manor2120222021
Kemah Lake2020241967
Winslow1620241989
Ramseysburg1520241995
Bennett Mill1020001966
High Point920241977
Albion820221966
Hope819941970
Bloomsbury820241969
Dover820231977
Spraguetown819991977
Spraguetown 2720122000
Pedricktown 2720242013
Sandbrook520241969
Woodbury Hgt420241967
Six Points420241978
Mt Misery419841976
Bennett Mill 2420242016
Greenwich320241966
New Bedford320241969
Croton320071970
Robbinsville319731966

Eastern Wood-Pewee Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsin

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