BirdAnalyst
Species · BCR 15 · BBS 2025 Release · 1966–2024

Belted Kingfisher In Sierra Nevada

All regionsSierra NevadaGeneralists

Belted Kingfisher in Sierra Nevada has fallen sharply: down 56% on the route-weighted index since 1974.

-56%Since 1974
22Routes In Region
46Years

Notable Signals

long arc declinecomputed index

Belted Kingfisher has fallen sharply in Sierra Nevada: down 56% on the route-weighted index since 1974.

Forecast

If the recent trend holds, Belted Kingfisher in Sierra Nevada is projected to fall about 89% by 2029 — from 0.21 in 2024 to a central estimate of 0.02 (95% range 0.00–0.28). A 5-year backtest shows a typical error of ±74.3%, with 100% of held-out values landing inside the 95% band.

-89%Change by 2029
0.02Projected 2029 index
0.00–0.2895% range
±74.3%Backtest error
19722029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.040.000.30
20260.040.000.30
20270.030.000.29
20280.030.000.29
20290.020.000.28

Routes In Sierra Nevada

Routes recording Belted Kingfisher in Sierra Nevada.
GeneseeCALIFORNIA32024
Higgins CornCALIFORNIA32015
PaxtonCALIFORNIA22004
Last ChanceCALIFORNIA22018
Eagle LakeCALIFORNIA12018
Bass LakeCALIFORNIA11979
JohnsvilleCALIFORNIA12010
WoodfordsCALIFORNIA12013
Kings CanyonCALIFORNIA12012
Tuolumne GroveCALIFORNIA11978
SattleyCALIFORNIA12024
Butte MeadowCALIFORNIA11992
DownievilleCALIFORNIA12013
Hat CreekCALIFORNIA11980
LakeshoreCALIFORNIA11986
Meadow ValleyCALIFORNIA12015
Little TruckeeCALIFORNIA12018
PlacervilleCALIFORNIA12009
CoultervilleCALIFORNIA12006
WawonaCALIFORNIA12012
Pine MountainCALIFORNIA12001
ChilcootCALIFORNIA11998

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