Species · BCR 25 · BBS 2025 Release · 1966–2024
Chimney Swift In West Gulf Coastal Plain / Ouachitas
Chimney Swift in West Gulf Coastal Plain / Ouachitas has fallen sharply: down 71% on the route-weighted index since 1969.
-71%Since 1969
108Routes In Region
57Years
Notable Signals
long arc declinecomputed index
Chimney Swift has fallen sharply in West Gulf Coastal Plain / Ouachitas: down 71% on the route-weighted index since 1969.
Forecast
If the recent trend holds, Chimney Swift in West Gulf Coastal Plain / Ouachitas is projected to rise about 14% by 2029 — from 2.0 in 2024 to a central estimate of 2.3 (95% range 0.00–6.2). A 5-year backtest shows a typical error of ±46.9%, with 100% of held-out values landing inside the 95% band.
+14%Change by 2029
2.3Projected 2029 index
0.00–6.295% range
±46.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.9 | 0.00 | 6.8 |
| 2026 | 2.8 | 0.00 | 6.6 |
| 2027 | 2.6 | 0.00 | 6.5 |
| 2028 | 2.5 | 0.00 | 6.3 |
| 2029 | 2.3 | 0.00 | 6.2 |
Routes In West Gulf Coastal Plain / Ouachitas
| Natchitoches | LOUISIANA | 34 | 1991 |
| Easton | LOUISIANA | 31 | 1990 |
| Chandler | TEXAS | 23 | 2004 |
| Many | LOUISIANA | 18 | 1992 |
| Goodwater | OKLAHOMA | 17 | 2021 |
| Oakdale | LOUISIANA | 16 | 1994 |
| Massard | ARKANSAS | 13 | 2022 |
| Cypress | LOUISIANA | 13 | 1987 |
| Pine Prairie | LOUISIANA | 13 | 1997 |
| Mcalester | OKLAHOMA | 12 | 1991 |
| Blakely | ARKANSAS | 11 | 1999 |
| Fort Polk | LOUISIANA | 11 | 1975 |
| De Quincy | LOUISIANA | 11 | 2021 |
| Easton | TEXAS | 9 | 2013 |
| Mt. Selman | TEXAS | 9 | 2024 |
| Smyrna 2 | TEXAS | 9 | 2023 |
| Pushmataha | OKLAHOMA | 8 | 2023 |
| Lance Rosier Bith | TEXAS | 8 | 2017 |
| Crows | ARKANSAS | 7 | 1991 |
| Poyen | ARKANSAS | 7 | 2007 |
| Springhill | ARKANSAS | 7 | 2022 |
| Magazine Mtn | ARKANSAS | 7 | 2019 |
| Carterville | LOUISIANA | 7 | 1992 |
| Cheniere | LOUISIANA | 7 | 2024 |
| Caledonia | TEXAS | 7 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.