Species · BCR 33 · BBS 2025 Release · 1966–2024
California Towhee In Sonoran and Mojave Deserts
California Towhee in Sonoran and Mojave Deserts has edged up: up 23% on the route-weighted index since 1970.
+23%Since 1970
5Routes In Region
55Years
Notable Signals
No notable trend signals for California Towhee in Sonoran and Mojave Deserts. See the full index history below.
Forecast
If the recent trend holds, California Towhee in Sonoran and Mojave Deserts is projected to rise about 54% by 2029 — from 0.40 in 2024 to a central estimate of 0.62 (95% range 0.15–1.1). A 5-year backtest shows a typical error of ±69.6%, with 100% of held-out values landing inside the 95% band.
+54%Change by 2029
0.62Projected 2029 index
0.15–1.195% range
±69.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.59 | 0.12 | 1.1 |
| 2026 | 0.60 | 0.13 | 1.1 |
| 2027 | 0.61 | 0.14 | 1.1 |
| 2028 | 0.61 | 0.14 | 1.1 |
| 2029 | 0.62 | 0.15 | 1.1 |
Routes In Sonoran and Mojave Deserts
| Kelso Valley | CALIFORNIA | 10 | 2024 |
| Joshua Tree | CALIFORNIA | 5 | 1997 |
| Onyx | CALIFORNIA | 2 | 2015 |
| Pearblossom | CALIFORNIA | 2 | 2024 |
| Anza Borrego | CALIFORNIA | 1 | 2022 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.