BirdAnalyst
Species · South Dakota · BBS 2025 Release · 1966–2024

Belted Kingfisher Population Trend in South Dakota

All statesGeneralists

Belted Kingfisher in South Dakota has declined: down 44% on the route-weighted index since 1969.

-44%Since 1969TrendPercent 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 →
36Routes 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 →
54YearsYears 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 South DakotaNotable 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 South Dakota. See the full index history below.

Belted Kingfisher Population Forecast in South Dakota

If the recent trend holds, Belted Kingfisher in South Dakota is projected to stay roughly flat through 2029, near 0.04 (95% range 0.00–0.16). A 5-year backtest shows a typical error of ±48.7%, 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 →
0.04Projected 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 →
0.00–0.1695% 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 →
±48.7%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 South Dakota is projected to stay roughly flat through 2029, near 0.04 (95% range 0.00–0.16). A 5-year backtest shows a typical error of ±48.7%, with 100% of held-out values landing inside the 95% band.19672029
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 →
20250.050.000.17
20260.050.000.16
20270.040.000.16
20280.040.000.16
20290.040.000.16

Belted Kingfisher Survey Routes in South Dakota

Routes recording Belted Kingfisher in South Dakota.
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 →
Tripp219991999
Rosebud219731968
Rockyford219671967
Roswell220141972
Promise219961971
White River219971997
Englewood220171992
Norbeck220021992
Lennox120241987
Howard120161994
Geddes120082008
Chamberlain119741974
Volga120211987
Broadland119731973
Lane119721972
French Creek120012000
Wilmot120142009
Veblen120141983
Britton120141969
Long Lake120022002
Laplant119751974
Owanka119861971
Roubaix Lk119901968
Volunteer119941970
Custer120151971

Belted Kingfisher Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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