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

Lazuli Bunting In Sierra Nevada

All regionsSierra NevadaGeneralists

Lazuli Bunting in Sierra Nevada has surged: up 12× on the route-weighted index since 1973.

12×Since 1973
35Routes In Region
53Years

Notable Signals

long arc increasecomputed index

Lazuli Bunting has surged in Sierra Nevada: up 12× on the route-weighted index since 1973.

Forecast

If the recent trend holds, Lazuli Bunting in Sierra Nevada is projected to fall about 49% by 2029 — from 10 in 2024 to a central estimate of 5.3 (95% range 3.0–7.6). A 5-year backtest shows a typical error of ±33.5%, with 40% of held-out values landing inside the 95% band.

-49%Change by 2029
5.3Projected 2029 index
3.0–7.695% range
±33.5%Backtest error
19712029
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
20254.92.77.2
20265.02.87.3
20275.12.97.4
20285.22.97.5
20295.33.07.6

Routes In Sierra Nevada

Routes recording Lazuli Bunting in Sierra Nevada.
Pollock PinesCALIFORNIA522024
LakeshoreCALIFORNIA322024
PaxtonCALIFORNIA302024
LumberyardCALIFORNIA162024
Tuolumne GroveCALIFORNIA152024
GeneseeCALIFORNIA142024
Kings CanyonCALIFORNIA132024
KernvilleCALIFORNIA132008
Pine MountainCALIFORNIA92017
WoodfordsCALIFORNIA82024
Eagle LakeCALIFORNIA62024
Hat CreekCALIFORNIA62018
Bass LakeCALIFORNIA52019
StrawberryCALIFORNIA52019
RivertonCALIFORNIA32023
Meadow ValleyCALIFORNIA32024
WestvilleCALIFORNIA22024
DardanelleCALIFORNIA22015
JohnsvilleCALIFORNIA22022
Silver CityCALIFORNIA22013
SattleyCALIFORNIA22011
Butte MeadowCALIFORNIA22014
Higgins CornCALIFORNIA22023
DownievilleCALIFORNIA22024
Tahoe NfCALIFORNIA21994

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