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

Bushtit In Sonoran and Mojave Deserts

Bushtit in Sonoran and Mojave Deserts has declined: down 48% on the route-weighted index since 1971.

-48%Since 1971
11Routes In Region
43Years

Notable Signals

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

Forecast

If the recent trend holds, Bushtit in Sonoran and Mojave Deserts is projected to fall about 56% by 2029 — from 0.27 in 2024 to a central estimate of 0.12 (95% range 0.00–0.48). A 5-year backtest shows a typical error of ±170.1%, with 100% of held-out values landing inside the 95% band.

-56%Change by 2029
0.12Projected 2029 index
0.000.4895% range
±170.1%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
20250.130.000.50
20260.130.000.49
20270.120.000.49
20280.120.000.49
20290.120.000.48

Routes In Sonoran and Mojave Deserts

Routes recording Bushtit in Sonoran and Mojave Deserts.
PearblossomCALIFORNIA82024
Kelso ValleyCALIFORNIA82023
Cutter 2ARIZONA22017
Imperial DamCALIFORNIA21977
Lone PineCALIFORNIA22004
Joshua TreeCALIFORNIA21995
Cholla Gard.CALIFORNIA22012
OnyxCALIFORNIA12015
BarstowCALIFORNIA11995
IvanpahCALIFORNIA11995
NelsonNEVADA11995

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