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

Golden-winged Warbler Population Trend in New Hampshire

All statesForest birds

Golden-winged Warbler in New Hampshire has edged up: up 18% on the route-weighted index since 1968.

+18%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 →
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 →
12YearsYears 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 HampshireNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Golden-winged Warbler in New Hampshire. See the full index history below.

Golden-winged Warbler Survey Routes in New Hampshire

Routes recording Golden-winged Warbler in New Hampshire.
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 →
Fitzwilliam319831983
Brentwood219771966
Peterborough120032003
Hopkinton119701970
Epsom119821982
Dixvil Notch119691969

Golden-winged Warbler Population Trend in Other States

connecticutgeorgiaillinoisindianakentuckymarylandmassachusettsmichiganminnesotanew-jerseynew-yorknorth-carolinaohiopennsylvaniatennesseevermontvirginiawest-virginiawisconsin

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