BirdAnalyst
Species · BCR 33 · BBS 2025 Release · 1966–2024

Lazuli Bunting In Sonoran and Mojave Deserts

All regionsSonoran and Mojave DesertsGeneralists

Lazuli Bunting in Sonoran and Mojave Deserts has declined: down 45% on the route-weighted index since 1971.

-45%Since 1971
12Routes In Region
35Years

Notable Signals

No notable trend signals for Lazuli Bunting in Sonoran and Mojave Deserts. See the full index history below.

Forecast

If the recent trend holds, Lazuli Bunting in Sonoran and Mojave Deserts is projected to fall about 77% by 2029 — from 0.10 in 2024 to a central estimate of 0.02 (95% range 0.00–0.24). A 5-year backtest shows a typical error of ±56.8%, with 100% of held-out values landing inside the 95% band.

-77%Change by 2029
0.02Projected 2029 index
0.00–0.2495% range
±56.8%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
20250.030.000.25
20260.030.000.25
20270.030.000.24
20280.030.000.24
20290.020.000.24

Routes In Sonoran and Mojave Deserts

Routes recording Lazuli Bunting in Sonoran and Mojave Deserts.
Joshua TreeCALIFORNIA51991
OnyxCALIFORNIA42001
Kelso ValleyCALIFORNIA32024
LagunaARIZONA22000
Ash MeadowsNEVADA22023
ArabyARIZONA12000
Haiwee ResCALIFORNIA12000
WildroseCALIFORNIA12000
TecopaCALIFORNIA11993
Imperial DamCALIFORNIA12006
PearblossomCALIFORNIA11985
Lone PineCALIFORNIA12023

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