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Species · Washington · BBS 2026 Release · 1966–2025

Belted Kingfisher Population Trend in Washington

All statesWetland birds

Belted Kingfisher in Washington has edged down: down 16% on the route-weighted index since 1970.

-16%Since 1970TrendPercent 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 →
85Routes 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 →
57YearsYears 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 WashingtonNotable 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 Washington. See the full index history below.

Belted Kingfisher Population Forecast in Washington

If the recent trend holds, Belted Kingfisher in Washington is projected to fall about 22% by 2030 — from 0.38 in 2025 to a central estimate of 0.29 (95% range 0.03–0.56). A 5-year backtest shows a typical error of ±22.8%, with 100% of held-out values landing inside the 95% band.

-22%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 →
0.29Projected 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 →
0.03–0.5695% 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 →
±22.8%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, Belted Kingfisher in Washington is projected to fall about 22% by 2030 — from 0.38 in 2025 to a central estimate of 0.29 (95% range 0.03–0.56). A 5-year backtest shows a typical error of ±22.8%, with 100% of held-out values landing inside the 95% band.19682030
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 →
20260.310.040.57
20270.300.040.57
20280.300.040.56
20290.300.030.56
20300.290.030.56

Belted Kingfisher Survey Routes in Washington

Routes recording Belted Kingfisher in Washington.
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 →
Bunker Hill620251968
Raymond620211994
Yakima420251993
Raymond 2420242023
Twisp320221969
Taholah320221969
Ewan320101988
Bay View320032003
Newhalem220221968
Ardenvoir219861968
Camas220071971
Mendota219871987
Curlew220181992
Cedar Falls220141992
Keystone220222004
Malden220052001
Potholes219961996
Northport220191996
Pe Ell220251993
Greenwater220162016
Mendota 2219961994
Horn Rapids220162010
Ozette120251971
Port Angeles120251974
Warm Beach120171968

Belted Kingfisher Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawest-virginiawisconsinwyoming

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