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Species · Texas · BBS 2025 Release · 1966–2024

Cassin's Kingbird Population Trend in Texas

All statesAerial insectivores

Cassin's Kingbird in Texas has declined: down 39% on the route-weighted index since 1970.

-39%Since 1970
35Routes In State
53Years

Notable Cassin's Kingbird Trends in Texas

No notable trend signals for Cassin's Kingbird in Texas. See the full index history below.

Cassin's Kingbird Population Forecast in Texas

If the recent trend holds, Cassin's Kingbird in Texas is projected to rise about 85% by 2029 — from 0.21 in 2024 to a central estimate of 0.39 (95% range 0.00–0.87). A 5-year backtest shows a typical error of ±50.2%, with 100% of held-out values landing inside the 95% band.

+85%Change by 2029
0.39Projected 2029 index
0.00–0.8795% range
±50.2%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
20250.410.000.90
20260.410.000.89
20270.400.000.89
20280.390.000.88
20290.390.000.87

Cassin's Kingbird Survey Routes in Texas

Routes recording Cassin's Kingbird in Texas.
Valentine3119871969
Ft. Davis2020232004
Shafter1619851969
Cornudas1620151968
Van Horn1220242017
Ozona920031997
Bear Mtn820241988
Delaware Crk820141972
Sierra Blanc720242000
Presidio620122004
Quitman Canyon 2520232011
Marathon420232004
Leakey320012001
Quitman Cyn.320082006
Frankel City320021976
Marfa220242004
Castolon219981998
Toyahvale220241997
Altuda220231968
Plains220081993
Texline220111981
Chisos Basin120192008
Pumpville120122006
Casa Piedra120191986
Cottonwood119701970

Cassin's Kingbird Population Trend in Other States

arizonacaliforniacoloradokansasmontananebraskanevadanew-mexicooklahomasouth-dakotautahwyoming

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