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Species · Wisconsin · BBS 2026 Release · 1966–2025

Golden-crowned Kinglet Population Trend in Wisconsin

All statesForest birds

Golden-crowned Kinglet in Wisconsin has increased: up 33% on the route-weighted index since 1968.

+33%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 →
29Routes 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 →
59YearsYears 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 WisconsinNotable 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-crowned Kinglet in Wisconsin. See the full index history below.

Golden-crowned Kinglet Population Forecast in Wisconsin

If the recent trend holds, Golden-crowned Kinglet in Wisconsin is projected to rise about 180% by 2030 — from 0.05 in 2025 to a central estimate of 0.14 (95% range 0.00–0.28). A 5-year backtest shows a typical error of ±129.8%, with 100% of held-out values landing inside the 95% band.

+180%Change by 2030TrendPercent 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 →
0.14Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–0.2895% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±129.8%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Golden-crowned Kinglet in Wisconsin is projected to rise about 180% by 2030 — from 0.05 in 2025 to a central estimate of 0.14 (95% range 0.00–0.28). A 5-year backtest shows a typical error of ±129.8%, with 100% of held-out values landing inside the 95% band.19662030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20260.140.000.28
20270.140.000.28
20280.140.000.28
20290.140.000.28
20300.140.000.28

Golden-crowned Kinglet Survey Routes in Wisconsin

Routes recording Golden-crowned Kinglet in Wisconsin.
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 →
Montreal420161968
Flambeau420211998
Grand View320171971
Mcnaughton320181970
Iron River220171967
Shanagolden220251969
Crandon220192018
Chaffey120141984
Minong120161996
Bayfield120252007
Land O Lakes120161974
Couderay120071987
Phillips119941982
Rib Lake120181966
Merrill119761973
Irma120191968
Eagle River120231969
Popple River120251970
Hollister120171981
Amberg120171995
Wausaukee120242004
Washington I120081998
Mather120012001
Amnicon Falls120222009
Mellen120242017

Golden-crowned Kinglet Population Trend in Other States

alaskaarizonacaliforniacoloradoconnecticutgeorgiaidahomainemarylandmassachusettsmichiganminnesotamontananevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinaohiooregonpennsylvaniasouth-dakotatennesseeutahvermontwashingtonwest-virginiawyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.