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Species · Louisiana · BBS 2026 Release · 1966–2025

Belted Kingfisher Population Trend in Louisiana

All statesWetland birds

Belted Kingfisher in Louisiana has declined: down 36% on the route-weighted index since 1969.

-36%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 →
59Routes 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 Belted Kingfisher Trends in LouisianaNotable 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 Louisiana. See the full index history below.

Belted Kingfisher Population Forecast in Louisiana

If the recent trend holds, Belted Kingfisher in Louisiana is projected to fall about 69% by 2030 — from 0.08 in 2025 to a central estimate of 0.02 (95% range 0.00–0.24). A 5-year backtest shows a typical error of ±67.5%, with 100% of held-out values landing inside the 95% band.

-69%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 →
0.02Projected 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 →
0.00–0.2495% 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 →
±67.5%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 Louisiana is projected to fall about 69% by 2030 — from 0.08 in 2025 to a central estimate of 0.02 (95% range 0.00–0.24). A 5-year backtest shows a typical error of ±67.5%, with 100% of held-out values landing inside the 95% band.19672030
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 →
20260.040.000.26
20270.040.000.26
20280.030.000.25
20290.030.000.25
20300.020.000.24

Belted Kingfisher Survey Routes in Louisiana

Routes recording Belted Kingfisher in Louisiana.
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 →
Freetown219871987
Lafitte219761971
Creole219751975
Roseland220211972
Cypress219871969
Trout220181994
Port Allen220042004
Sabine Nwr220021998
Fishville 2220252019
Natchitoches219891987
Haughton120111998
Morgan City119761976
Lacombe119831979
Bickham120241972
Keystone119921990
Plettenberg120101974
Linville120242009
Easton119881967
Hackberry119941974
De Ridder120091970
Shaw120241967
Mayflower120231977
Derry119891968
Fishville120141967
Fort Polk119751973

Belted Kingfisher Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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