Species · Texas · BBS 2025 Release · 1966–2024
Bank Swallow Population Trend in Texas
Bank Swallow in Texas has collapsed: down 92% on the route-weighted index since 1969.
-92%Since 1969
27Routes In State
36Years
Notable Bank Swallow Trends in Texas
long arc declinecomputed index
Bank Swallow has collapsed in Texas: down 92% on the route-weighted index since 1969.
Bank Swallow Population Forecast in Texas
If the recent trend holds, Bank Swallow in Texas is projected to stay roughly flat through 2028, near 0.00 (95% range 0.00–0.63). A 5-year backtest shows a typical error of ±633%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2028
0.00Projected 2028 index
0.00–0.6395% range
±633%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.00 | 0.00 | 0.63 |
| 2025 | 0.00 | 0.00 | 0.63 |
| 2026 | 0.00 | 0.00 | 0.63 |
| 2027 | 0.00 | 0.00 | 0.63 |
| 2028 | 0.00 | 0.00 | 0.63 |
Bank Swallow Survey Routes in Texas
| El Indio | 40 | 2001 | 1974 |
| La Pryor | 37 | 1974 | 1974 |
| Lone Oak | 37 | 1994 | 1993 |
| Grayback | 14 | 1970 | 1969 |
| Cottonwood | 10 | 2000 | 1988 |
| Campbellton | 6 | 1970 | 1970 |
| Bayside | 6 | 2003 | 2003 |
| Raymondville | 6 | 2009 | 1990 |
| Utopia | 4 | 2004 | 2004 |
| Laredo | 4 | 2023 | 2015 |
| Thornton 2 | 3 | 2009 | 2003 |
| Mount Zion | 3 | 2010 | 2010 |
| Henrietta | 3 | 1969 | 1968 |
| Lag Atascosa | 2 | 2018 | 2018 |
| Progreso | 2 | 2011 | 2005 |
| Comstock | 2 | 1972 | 1972 |
| Bruceville | 2 | 2010 | 2010 |
| Clarendon | 2 | 1970 | 1970 |
| Rachal | 1 | 1989 | 1983 |
| Zapata | 1 | 1982 | 1967 |
| Kingsville | 1 | 2005 | 1984 |
| Petronila | 1 | 2002 | 2002 |
| San Ygnacio | 1 | 1982 | 1967 |
| Hobson | 1 | 1985 | 1985 |
| Winchell | 1 | 1972 | 1971 |
Bank Swallow Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.