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
0.00–0.4895% range
±170.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.13 | 0.00 | 0.50 |
| 2026 | 0.13 | 0.00 | 0.49 |
| 2027 | 0.12 | 0.00 | 0.49 |
| 2028 | 0.12 | 0.00 | 0.49 |
| 2029 | 0.12 | 0.00 | 0.48 |
Routes In Sonoran and Mojave Deserts
| Pearblossom | CALIFORNIA | 8 | 2024 |
| Kelso Valley | CALIFORNIA | 8 | 2023 |
| Cutter 2 | ARIZONA | 2 | 2017 |
| Imperial Dam | CALIFORNIA | 2 | 1977 |
| Lone Pine | CALIFORNIA | 2 | 2004 |
| Joshua Tree | CALIFORNIA | 2 | 1995 |
| Cholla Gard. | CALIFORNIA | 2 | 2012 |
| Onyx | CALIFORNIA | 1 | 2015 |
| Barstow | CALIFORNIA | 1 | 1995 |
| Ivanpah | CALIFORNIA | 1 | 1995 |
| Nelson | NEVADA | 1 | 1995 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.