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

California Quail In Sonoran and Mojave Deserts

All regionsSonoran and Mojave DesertsGeneralists

California Quail in Sonoran and Mojave Deserts has held roughly steady: up 10% on the route-weighted index since 1970.

+10%Since 1970
13Routes In Region
56Years

Notable Signals

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

Forecast

If the recent trend holds, California Quail in Sonoran and Mojave Deserts is projected to fall about 18% by 2029 — from 3.3 in 2024 to a central estimate of 2.7 (95% range 0.00–5.7). A 5-year backtest shows a typical error of ±33.5%, with 100% of held-out values landing inside the 95% band.

-18%Change by 2029
2.7Projected 2029 index
0.00–5.795% range
±33.5%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
20252.70.005.7
20262.70.005.7
20272.70.005.7
20282.70.005.7
20292.70.005.7

Routes In Sonoran and Mojave Deserts

Routes recording California Quail in Sonoran and Mojave Deserts.
Kelso ValleyCALIFORNIA512024
PearblossomCALIFORNIA192024
Willow SpgsCALIFORNIA151981
Lone PineCALIFORNIA132024
InyokernCALIFORNIA102023
Willow Springs 2CALIFORNIA92024
Calif CityCALIFORNIA71997
Anza BorregoCALIFORNIA72024
OnyxCALIFORNIA62015
LenwoodCALIFORNIA41995
Haiwee ResCALIFORNIA22005
NilandCALIFORNIA21974
BarstowCALIFORNIA11998

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