BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

Lazuli Bunting In Great Basin

All regionsGreat BasinGeneralists

Lazuli Bunting in Great Basin has surged: up 241% on the route-weighted index since 1970.

+241%Since 1970
181Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Lazuli Bunting has surged in Great Basin: up 240% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Lazuli Bunting in Great Basin is projected to stay roughly flat through 2029, near 3.1 (95% range 2.2–4.0). A 5-year backtest shows a typical error of ±13.8%, with 100% of held-out values landing inside the 95% band.

-5%Change by 2029
3.1Projected 2029 index
2.2–4.095% range
±13.8%Backtest error
19682029
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
20253.02.13.9
20263.02.13.9
20273.02.23.9
20283.12.24.0
20293.12.24.0

Routes In Great Basin

Routes recording Lazuli Bunting in Great Basin.
ImnahaOREGON732024
Magic MtnIDAHO642024
Hardware RanchUTAH552023
Lake ChelanWASHINGTON382024
Meadow VallyNEVADA342024
AustinNEVADA282018
HyrumUTAH271979
Trout CreekOREGON262021
TwispWASHINGTON262024
GiffordIDAHO192017
AlmoIDAHO192023
NighthawkWASHINGTON162024
Glenns FerryIDAHO151986
EllensburgWASHINGTON152024
YakimaWASHINGTON152024
JarbidgeNEVADA142015
Chimney Res.NEVADA142023
AdrianOREGON142021
Iron GateCALIFORNIA122019
Silver CityIDAHO122024
Humboldt Nf 2NEVADA112024
Modoc PointOREGON102018
NewcastleUTAH102022
HawthorneNEVADA92001
BartleCALIFORNIA82021

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