BirdAnalyst
Species · BCR 9 · BBS 2026 Release · 1966–2025

Belted Kingfisher In Great Basin

All regionsGreat BasinWetland birds

Belted Kingfisher in Great Basin has declined: down 29% on the route-weighted index since 1970.

-29%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 →
110Routes In RegionSurvey 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 SignalsNotable 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 Great Basin. See the full index history below.

Belted Kingfisher In Great Basin Population Forecast

If the recent trend holds, Belted Kingfisher in Great Basin is projected to rise about 30% by 2030 — from 0.07 in 2025 to a central estimate of 0.09 (95% range 0.00–0.20). A 5-year backtest shows a typical error of ±27%, with 100% of held-out values landing inside the 95% band.

+30%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 →
0.09Projected 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 →
0.00–0.2095% 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 →
±27%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 Great Basin is projected to rise about 30% by 2030 — from 0.07 in 2025 to a central estimate of 0.09 (95% range 0.00–0.20). A 5-year backtest shows a typical error of ±27%, 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 →
20260.100.000.21
20270.100.000.21
20280.090.000.20
20290.090.000.20
20300.090.000.20

Routes In Great Basin

Routes recording Belted Kingfisher in Great Basin.
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 →
YakimaWASHINGTON42025
MerrillOREGON32003
NewcastleUTAH32000
TwispWASHINGTON32022
EwanWASHINGTON32010
LikelyCALIFORNIA22024
Honey LakeCALIFORNIA22008
Magic MtnIDAHO22025
JoelIDAHO22017
Toiyabe NfNEVADA22015
DeschutesOREGON22013
PendletonOREGON22024
Lapham Res.OREGON21998
NewhalemWASHINGTON22022
ArdenvoirWASHINGTON21986
KeystoneWASHINGTON22022
MaldenWASHINGTON22005
PotholesWASHINGTON21996
Horn RapidsWASHINGTON22016
NubieberCALIFORNIA12017
IngallsCALIFORNIA11974
RavendaleCALIFORNIA12001
BodieCALIFORNIA12005
Crowley LakeCALIFORNIA12015
Davis CreekCALIFORNIA12018

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