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

Golden-winged Warbler Population Trend in New Jersey

All statesForest birds

Golden-winged Warbler in New Jersey has fallen sharply: down 73% on the route-weighted index since 1975.

-73%Since 1975TrendPercent 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 →
6Routes 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 →
16YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Golden-winged Warbler 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 declinecomputed 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 →

Golden-winged Warbler has fallen sharply in New Jersey: down 73% on the route-weighted index since 1975.

Golden-winged Warbler Survey Routes in New Jersey

Routes recording Golden-winged Warbler 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 →
Hope219711971
Croton119791979
Midvale119951971
Kemah Lake120012001
High Point119961977
Dover119771977

Golden-winged Warbler Population Trend in Other States

connecticutgeorgiaillinoisindianakentuckymarylandmassachusettsmichiganminnesotanew-hampshirenew-yorknorth-carolinaohiopennsylvaniatennesseevermontvirginiawest-virginiawisconsin

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