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
0.151.195% range
±69.6%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
20250.590.121.1
20260.600.131.1
20270.610.141.1
20280.610.141.1
20290.620.151.1

Routes In Sonoran and Mojave Deserts

Routes recording California Towhee in Sonoran and Mojave Deserts.
Kelso ValleyCALIFORNIA102024
Joshua TreeCALIFORNIA51997
OnyxCALIFORNIA22015
PearblossomCALIFORNIA22024
Anza BorregoCALIFORNIA12022

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