Species · Arizona · BBS 2025 Release · 1966–2024

Scaled Quail Population Trend in Arizona

Scaled Quail in Arizona has held roughly steady: up 1% on the route-weighted index since 1970.

+1%Since 1970
11Routes In State
54Years

Notable Scaled Quail Trends in Arizona

No notable trend signals for Scaled Quail in Arizona. See the full index history below.

Scaled Quail Population Forecast in Arizona

If the recent trend holds, Scaled Quail in Arizona is projected to fall about 33% by 2029 — from 1.0 in 2024 to a central estimate of 0.67 (95% range 0.00–2.4). A 5-year backtest shows a typical error of ±128.7%, with 100% of held-out values landing inside the 95% band.

-33%Change by 2029
0.67Projected 2029 index
0.002.495% range
±128.7%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
20250.730.002.4
20260.710.002.4
20270.700.002.4
20280.680.002.4
20290.670.002.4

Scaled Quail Survey Routes in Arizona

Routes recording Scaled Quail in Arizona.
Mcneal2220241992
Dragoon1620091993
Sunizona1519971968
Rucker1320091993
Sunizona 2920242001
Greasewood419961995
Amado320231993
San Simon220231969
Sahuarita220241993
Pomerene220241968
Portal120221987

Scaled Quail Population Trend in Other States

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