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

Summer Tanager Population Trend in New Jersey

All statesGeneralists

Summer Tanager in New Jersey has surged: up 202% on the route-weighted index since 1987.

+202%Since 1987
13Routes In State
26Years

Notable Summer Tanager Trends in New Jersey

long arc increasecomputed index

Summer Tanager has surged in New Jersey: up 202% on the route-weighted index since 1987.

Summer Tanager Population Forecast in New Jersey

If the recent trend holds, Summer Tanager in New Jersey is projected to stay roughly flat through 2029, near 0.14 (95% range 0.07–0.21). A 5-year backtest shows a typical error of ±48.8%, with 20% of held-out values landing inside the 95% band.

-2%Change by 2029
0.14Projected 2029 index
0.07–0.2195% range
±48.8%Backtest error
19792029
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
20250.130.060.20
20260.130.060.21
20270.140.060.21
20280.140.060.21
20290.140.070.21

Summer Tanager Survey Routes in New Jersey

Routes recording Summer Tanager in New Jersey.
Estell Manor320222022
Winslow220231993
Woodbury Hgt119901990
Greenwich120241979
Six Points120222022
Spraguetown 2120052005
Albion119921992
Cape May Ch120132009
Spraguetown 3120242023
New Bedford119951995
Bennett Mill 2120232023
Ramseysburg120032003
Pomona120241983

Summer Tanager Population Trend in Other States

alabamaarizonaarkansascaliforniadelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamarylandmississippimissourinebraskanevadanew-mexiconorth-carolinaohiooklahomapennsylvaniasouth-carolinatennesseetexasutahvirginiawest-virginiawisconsin

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