BirdAnalyst
Species · Wisconsin · BBS 2026 Release · 1966–2025

Belted Kingfisher Population Trend in Wisconsin

All statesWetland birds

Belted Kingfisher in Wisconsin has declined: down 40% on the route-weighted index since 1968.

-40%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 →
97Routes 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 Belted Kingfisher 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 Belted Kingfisher in Wisconsin. See the full index history below.

Belted Kingfisher Population Forecast in Wisconsin

If the recent trend holds, Belted Kingfisher in Wisconsin is projected to stay roughly flat through 2030, near 0.23 (95% range 0.00–0.48). A 5-year backtest shows a typical error of ±15.3%, with 100% of held-out values landing inside the 95% band.

-3%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 →
0.23Projected 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 →
0.00–0.4895% 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 →
±15.3%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, Belted Kingfisher in Wisconsin is projected to stay roughly flat through 2030, near 0.23 (95% range 0.00–0.48). A 5-year backtest shows a typical error of ±15.3%, 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 →
20260.260.010.50
20270.250.010.49
20280.250.000.49
20290.240.000.48
20300.230.000.48

Belted Kingfisher Survey Routes in Wisconsin

Routes recording Belted Kingfisher 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 →
Eagle River320231970
Wausaukee320241980
Eden320231971
Montreal220211968
Weyerhauser220251967
Couderay220191969
Popple River220191970
Cochrane220251967
Newburg Crns220221966
Kendall220251967
N Andover220231967
Land O' Lakes 2220242019
Amnicon Falls220231998
Meridean219991999
Briggsville220251999
Chaffey120171968
Iron River120231970
Minong120231970
Grand View120241968
Bayfield120241967
Shanagolden120241975
Land O Lakes120141969
Hudson120251967
Dresser120221967
Union Twp120251983

Belted Kingfisher Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawyoming

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