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Species · Massachusetts · BBS 2025 Release · 1966–2024

Golden-crowned Kinglet Population Trend in Massachusetts

All statesForest birds

Golden-crowned Kinglet in Massachusetts has surged: up 266% on the route-weighted index since 1990.

+266%Since 1990TrendPercent 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 →
9Routes 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-crowned Kinglet Trends in MassachusettsNotable 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 increasecomputed 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-crowned Kinglet has surged in Massachusetts: up 266% on the route-weighted index since 1990.

Golden-crowned Kinglet Survey Routes in Massachusetts

Routes recording Golden-crowned Kinglet in Massachusetts.
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 →
Prattville220162016
Hancock219991999
Ware River120162012
Warren120012001
N Orange119761976
Cummington120061971
Chesterfield120171998
Pittsfield120052000
Sheffield120042004

Golden-crowned Kinglet Population Trend in Other States

alaskaarizonacaliforniacoloradoconnecticutgeorgiaidahomainemarylandmichiganminnesotamontananevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinaohiooregonpennsylvaniasouth-dakotatennesseeutahvermontwashingtonwest-virginiawisconsinwyoming

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