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Species · Texas · BBS 2025 Release · 1966–2024

Cliff Swallow Population Trend in Texas

All statesAerial insectivores

Cliff Swallow in Texas has risen sharply: up 65% on the route-weighted index since 1969.

+65%Since 1969
231Routes In State
57Years

Notable Cliff Swallow Trends in Texas

long arc increasecomputed index

Cliff Swallow has risen sharply in Texas: up 65% on the route-weighted index since 1969.

Cliff Swallow Population Forecast in Texas

If the recent trend holds, Cliff Swallow in Texas is projected to rise about 35% by 2029 — from 35 in 2024 to a central estimate of 47 (95% range 20–74). A 5-year backtest shows a typical error of ±81.8%, with 100% of held-out values landing inside the 95% band.

+35%Change by 2029
47Projected 2029 index
20–7495% range
±81.8%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
2025461973
2026461973
2027461974
2028472074
2029472074

Cliff Swallow Survey Routes in Texas

Routes recording Cliff Swallow in Texas.
Olney96020241969
Bonner65220241997
Channing64620181967
Goliad Prairie57720162004
Grayback29920241971
Post25220241969
Beaver Creek24320241994
Fitzhugh20319831969
Campbellton20020241969
Gainesville18920241967
Bayside 217020041997
Girard16120231994
Glen Rose15720241967
Childress14220241969
Smyrna13420102005
Rock Island12020241990
Winnie11120242001
La Pryor10320171971
Oyster Lake9820241995
Laredo8320231994
Chandler8120041994
Millett8020091995
Easton8020131998
Booker7920241975
Easton 27920242014

Cliff Swallow Population Trend in Other States

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

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