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Species · Texas · BBS 2025 Release · 1966–2024

Grasshopper Sparrow Population Trend in Texas

All statesGrassland birds

Grasshopper Sparrow in Texas has surged: up 218% on the route-weighted index since 1969.

+218%Since 1969
151Routes In State
57Years

Notable Grasshopper Sparrow Trends in Texas

long arc increasecomputed index

Grasshopper Sparrow has surged in Texas: up 218% on the route-weighted index since 1969.

Grasshopper Sparrow Population Forecast in Texas

If the recent trend holds, Grasshopper Sparrow in Texas is projected to rise about 17% by 2029 — from 2.1 in 2024 to a central estimate of 2.5 (95% range 1.1–3.9). A 5-year backtest shows a typical error of ±22.7%, with 100% of held-out values landing inside the 95% band.

+17%Change by 2029
2.5Projected 2029 index
1.1–3.995% range
±22.7%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
20252.41.03.8
20262.41.13.8
20272.51.13.9
20282.51.13.9
20292.51.13.9

Grasshopper Sparrow Survey Routes in Texas

Routes recording Grasshopper Sparrow in Texas.
Booker6120241975
Pantex5020241974
Floydada3220241980
El Indio2819721970
Twichell2720231996
Gruver2520241994
Cactus2520241994
Weinert2119941969
Dalhart1520241994
Friona1320242001
Winchell1120101975
Oakwood1019861986
Texline1020241975
Henrietta920221975
Dougherty920241996
Skellytown820241996
San Pedro820171996
Olney720241969
Childress720241972
Haskell720241995
Williams720241996
Adamsville620231972
Eldorado620231975
Girard620232001
Ola520141980

Grasshopper Sparrow Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinasouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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