Species · Texas · BBS 2025 Release · 1966–2024
Tree Swallow Population Trend in Texas
Tree Swallow in Texas has collapsed: down 83% on the route-weighted index since 1990.
-83%Since 1990
17Routes In State
17Years
Notable Tree Swallow Trends in Texas
No notable trend signals for Tree Swallow in Texas. See the full index history below.
Tree Swallow Survey Routes in Texas
| Raymondville | 7 | 1990 | 1990 |
| Caledonia | 5 | 2010 | 2010 |
| Chandler 2 | 5 | 2011 | 2011 |
| Crossroads | 3 | 2013 | 2011 |
| Town Bluff | 2 | 2008 | 2008 |
| Peach Creek | 2 | 1971 | 1971 |
| Oak Grove 2 | 2 | 2012 | 2012 |
| Osage | 2 | 2015 | 2015 |
| Friona | 2 | 2001 | 2001 |
| Stowell | 2 | 2018 | 1972 |
| Easton | 2 | 2013 | 1997 |
| Cottonwood | 1 | 2017 | 2017 |
| Hinkles Fer | 1 | 1972 | 1972 |
| Walburg | 1 | 2023 | 2012 |
| Carlos | 1 | 2012 | 2012 |
| Pidcoke | 1 | 2013 | 2013 |
| Athens | 1 | 2008 | 2008 |
Tree Swallow Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.