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Species · Wisconsin · BBS 2025 Release · 1966–2024

Golden-crowned Kinglet Population Trend in Wisconsin

All statesForest birds

Golden-crowned Kinglet in Wisconsin has surged: up 103% on the route-weighted index since 1968.

+103%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 →
58YearsYears 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 →

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 Wisconsin: up 103% on the route-weighted index since 1968.

Golden-crowned Kinglet Population Forecast in Wisconsin

If the recent trend holds, Golden-crowned Kinglet in Wisconsin is projected to stay roughly flat through 2029, near 0.15 (95% range 0.01–0.29). A 5-year backtest shows a typical error of ±86.2%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029TrendPercent 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 →
0.15Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.01–0.2995% 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 →
±86.2%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 stay roughly flat through 2029, near 0.15 (95% range 0.01–0.29). A 5-year backtest shows a typical error of ±86.2%, with 100% of held-out values landing inside the 95% band.19662029
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 →
20250.140.000.28
20260.140.010.28
20270.150.010.29
20280.150.010.29
20290.150.010.29

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
Shanagolden220231969
Crandon220192018
Chaffey120141984
Minong120161996
Bayfield120222007
Land O Lakes120161974
Couderay120071987
Phillips119941982
Rib Lake120181966
Merrill119761973
Irma120191968
Eagle River120231969
Popple River120241970
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 2026-05-22.