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

Yellow Warbler Population Trend in New Jersey

All statesForest birds

Yellow Warbler in New Jersey has surged: up 121% on the route-weighted index since 1968.

+121%Since 1968
38Routes In State
58Years

Notable Yellow Warbler Trends in New Jersey

long arc increasecomputed index

Yellow Warbler has surged in New Jersey: up 121% on the route-weighted index since 1968.

Yellow Warbler Population Forecast in New Jersey

If the recent trend holds, Yellow Warbler in New Jersey is projected to rise about 108% by 2029 — from 2.1 in 2024 to a central estimate of 4.5 (95% range 1.2–7.7). A 5-year backtest shows a typical error of ±101.5%, with 100% of held-out values landing inside the 95% band.

+108%Change by 2029
4.5Projected 2029 index
1.2–7.795% range
±101.5%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
20254.41.27.7
20264.41.27.7
20274.51.27.7
20284.51.27.7
20294.51.27.7

Yellow Warbler Survey Routes in New Jersey

Routes recording Yellow Warbler in New Jersey.
High Point1820241977
Croton1320071970
Hope1319941970
Dover1020231977
Bloomsbury620241969
Gillette620241988
Ramseysburg620241995
Toms River420241966
Clarksville419911969
Robbinsville419791966
Holmansville319961969
Croton 2320232009
Greenwich220181966
Deepwater219771971
Del Haven219911991
Midvale220191967
Kemah Lake220241966
Friendship219961992
Villas219791979
Mt Misery219891976
Woodbury Hgt120161968
Six Points120231981
Albion120211971
Masonville119701966
Bennett Mill119981996

Yellow Warbler Population Trend in Other States

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

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