Species · BCR 26 · BBS 2025 Release · 1966–2024
Bank Swallow In Mississippi Alluvial Valley
Bank Swallow in Mississippi Alluvial Valley has collapsed: down 97% on the route-weighted index since 1980.
-97%Since 1980
5Routes In Region
25Years
Notable Signals
long arc declinecomputed index
Bank Swallow has collapsed in Mississippi Alluvial Valley: down 97% on the route-weighted index since 1980.
Forecast
If the recent trend holds, Bank Swallow in Mississippi Alluvial Valley is projected to stay roughly flat through 2026, near 0.00 (95% range 0.00–1.2). A 5-year backtest shows a typical error of ±596%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2026
0.00Projected 2026 index
0.00–1.295% range
±596%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2022 | 0.00 | 0.00 | 1.2 |
| 2023 | 0.00 | 0.00 | 1.2 |
| 2024 | 0.00 | 0.00 | 1.2 |
| 2025 | 0.00 | 0.00 | 1.2 |
| 2026 | 0.00 | 0.00 | 1.2 |
Routes In Mississippi Alluvial Valley
| Bardwell | KENTUCKY | 12 | 2002 |
| Pawpaw | TENNESSEE | 12 | 2011 |
| South Bend | ARKANSAS | 1 | 2021 |
| Maynard | ARKANSAS | 1 | 2005 |
| Moon | MISSISSIPPI | 1 | 1998 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.