Species · BCR 25 · BBS 2025 Release · 1966–2024
Tree Swallow In West Gulf Coastal Plain / Ouachitas
Tree Swallow in West Gulf Coastal Plain / Ouachitas has increased: up 48% on the route-weighted index since 1993.
+48%Since 1993
16Routes In Region
22Years
Notable Signals
No notable trend signals for Tree Swallow in West Gulf Coastal Plain / Ouachitas. See the full index history below.
Forecast
If the recent trend holds, Tree Swallow in West Gulf Coastal Plain / Ouachitas is projected to rise about 285% by 2028 — from 0.06 in 2023 to a central estimate of 0.21 (95% range 0.00–0.59). A 5-year backtest shows a typical error of ±90.2%, with 60% of held-out values landing inside the 95% band.
+285%Change by 2028
0.21Projected 2028 index
0.00–0.5995% range
±90.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.19 | 0.00 | 0.57 |
| 2025 | 0.20 | 0.00 | 0.57 |
| 2026 | 0.20 | 0.00 | 0.58 |
| 2027 | 0.21 | 0.00 | 0.58 |
| 2028 | 0.21 | 0.00 | 0.59 |
Routes In West Gulf Coastal Plain / Ouachitas
| Caledonia | TEXAS | 5 | 2010 |
| Chandler 2 | TEXAS | 5 | 2011 |
| Stark | ARKANSAS | 3 | 2023 |
| Crossroads | TEXAS | 3 | 2013 |
| Stamps | ARKANSAS | 2 | 1997 |
| Ashdown | ARKANSAS | 2 | 2018 |
| Blanco | OKLAHOMA | 2 | 1995 |
| Goodwater | OKLAHOMA | 2 | 2021 |
| Town Bluff | TEXAS | 2 | 2008 |
| Easton | TEXAS | 2 | 2013 |
| Hollywood | ARKANSAS | 1 | 1969 |
| Coal Hill | ARKANSAS | 1 | 2021 |
| Massard | ARKANSAS | 1 | 1998 |
| Nance | ARKANSAS | 1 | 2016 |
| Mer Rouge | LOUISIANA | 1 | 2002 |
| Athens | TEXAS | 1 | 2008 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.