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

Eastern Kingbird Population Trend in New Jersey

All statesAerial insectivores

Eastern Kingbird in New Jersey has fallen sharply: down 50% on the route-weighted index since 1968.

-50%Since 1968
43Routes In State
58Years

Notable Eastern Kingbird Trends in New Jersey

long arc declinecomputed index

Eastern Kingbird has fallen sharply in New Jersey: down 50% on the route-weighted index since 1968.

Eastern Kingbird Population Forecast in New Jersey

If the recent trend holds, Eastern Kingbird in New Jersey is projected to fall about 50% by 2029 — from 2.5 in 2024 to a central estimate of 1.3 (95% range 0.00–2.8). A 5-year backtest shows a typical error of ±40.1%, with 80% of held-out values landing inside the 95% band.

-50%Change by 2029
1.3Projected 2029 index
0.00–2.895% range
±40.1%Backtest error
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 index95% low95% high
20251.50.003.1
20261.50.003.0
20271.40.002.9
20281.30.002.9
20291.30.002.8

Eastern Kingbird Survey Routes in New Jersey

Routes recording Eastern Kingbird in New Jersey.
Bennett Mill1620001966
Villas1319811979
Deepwater1219771969
Woodbury Hgt1020241967
Pedricktown920121991
Ramseysburg920241995
Cape May Ch820131992
Hope719941970
Dover520231977
Pedricktown 2520242013
Ancora419771966
Masonville419691966
Clarksville419911969
Croton420071970
Pomona420241978
Bennett Mill 2420242016
Croton 2420242009
Toms River320241966
Sandbrook320231970
Spraguetown319991977
Del Haven319911991
Spraguetown 3320242021
Winslow320241989
Spraguetown 2320072000
Robbinsville219751966

Eastern Kingbird Population Trend in Other States

alabamaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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