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

Long-billed Thrasher Population Trend in Texas

All statesGeneralists

Long-billed Thrasher in Texas has surged: up 748% on the route-weighted index since 1970.

+748%Since 1970
49Routes In State
56Years

Notable Long-billed Thrasher Trends in Texas

long arc increasecomputed index

Long-billed Thrasher has surged in Texas: up 748% on the route-weighted index since 1970.

Long-billed Thrasher Population Forecast in Texas

If the recent trend holds, Long-billed Thrasher in Texas is projected to rise about 12% by 2029 — from 0.50 in 2024 to a central estimate of 0.56 (95% range 0.35–0.76). A 5-year backtest shows a typical error of ±17.5%, with 100% of held-out values landing inside the 95% band.

+12%Change by 2029
0.56Projected 2029 index
0.35–0.7695% range
±17.5%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
20250.520.320.72
20260.530.330.73
20270.540.340.74
20280.550.340.75
20290.560.350.76

Long-billed Thrasher Survey Routes in Texas

Routes recording Long-billed Thrasher in Texas.
Three Rivers1420241994
George West1220241969
L. Atascosa Nwr920231998
Rachal820231973
Loyola Beach 2720242010
Sejita720241997
Kingsville620241973
Loyola Beach620091997
San Pedro520231996
Lag Atascosa420241969
Randado420241967
Encinal420101969
Laredo420232002
Guerra420181989
Hobson320241978
Campbellton320241978
Hondo320241970
El Indio319991994
Raymondville320241974
Indian Mtn320241996
Zapata219821971
Utopia220241984
Langtry219961996
Coyanda Draw219941994
Catarina 3220232018

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