BirdAnalyst
Species · Texas · BBS 2025 Release · 1966–2024

Scaled Quail Population Trend in Texas

All statesGeneralists

Scaled Quail in Texas has fallen sharply: down 65% on the route-weighted index since 1969.

-65%Since 1969
112Routes In State
57Years

Notable Scaled Quail Trends in Texas

long arc declinecomputed index

Scaled Quail has fallen sharply in Texas: down 65% on the route-weighted index since 1969.

Scaled Quail Population Forecast in Texas

If the recent trend holds, Scaled Quail in Texas is projected to stay roughly flat through 2029, near 2.2 (95% range 0.00–5.1). A 5-year backtest shows a typical error of ±38.2%, with 100% of held-out values landing inside the 95% band.

-2%Change by 2029
2.2Projected 2029 index
0.00–5.195% range
±38.2%Backtest error
19672029
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
20252.40.005.3
20262.30.005.3
20272.30.005.2
20282.30.005.2
20292.20.005.1

Scaled Quail Survey Routes in Texas

Routes recording Scaled Quail in Texas.
Pecos5220172017
Black Gap3920231988
Longfellow3920241968
Pumpville3720242006
Plains3620241968
Casa Piedra3120231986
Wink2819861975
Ft. Davis2820232004
Marfa2520242004
Toyahvale2320241996
Comstock2220231967
Delaware Crk2220151971
Salt Flat2120152003
Pear Valley1920051969
Pedro Creek1920051996
Girvin1820241975
Saragosa1820242022
Altuda1720231967
Shafter1619851969
Dalhart1620241994
Hot Springs1520241967
Langtry1520001994
Bear Mtn1420241988
Kermit1419991999
Stiles1420241995

Scaled Quail Population Trend in Other States

arizonacoloradokansasnew-mexicooklahomautahwashington

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