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

Belted Kingfisher Population Trend in Oregon

All statesWetland birds

Belted Kingfisher in Oregon has declined: down 47% on the route-weighted index since 1970.

-47%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 →
92Routes 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 OregonNotable 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 Oregon. See the full index history below.

Belted Kingfisher Population Forecast in Oregon

If the recent trend holds, Belted Kingfisher in Oregon is projected to fall about 35% by 2030 — from 0.26 in 2025 to a central estimate of 0.17 (95% range 0.00–0.43). A 5-year backtest shows a typical error of ±28.9%, with 100% of held-out values landing inside the 95% band.

-35%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 →
0.17Projected 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 →
0.00–0.4395% 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 →
±28.9%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 Oregon is projected to fall about 35% by 2030 — from 0.26 in 2025 to a central estimate of 0.17 (95% range 0.00–0.43). A 5-year backtest shows a typical error of ±28.9%, 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 →
20260.190.000.45
20270.180.000.45
20280.180.000.44
20290.170.000.43
20300.170.000.43

Belted Kingfisher Survey Routes in Oregon

Routes recording Belted Kingfisher in Oregon.
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 →
Glasgow420251987
Ochoco420031994
Sparta320251973
Svensen319921990
Merrill320031996
Tualatin220251976
Salado220251969
Deschutes220132012
Wedderburn220241970
Garfield220092009
Pendleton220241978
Lapham Res.219981998
Emigrant Lake 2220242024
Newbridge220251992
Salem220151994
Monument220132007
Desolation219991999
Fisher220081998
Riley Peak220162007
Harlan 2220252012
Timber120171975
Ordnance119781978
Albee120001973
Imnaha120241968
Cool Camp119951978

Belted Kingfisher Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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