Species · BCR 28 · BBS 2025 Release · 1966–2024
Bank Swallow In Appalachian Mountains
Bank Swallow in Appalachian Mountains has collapsed: down 95% on the route-weighted index since 1968.
-95%Since 1968
130Routes In Region
58Years
Notable Signals
long arc declinecomputed index
Bank Swallow has collapsed in Appalachian Mountains: down 95% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Bank Swallow in Appalachian Mountains is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.76). A 5-year backtest shows a typical error of ±399.3%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–0.7695% range
±399.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.76 |
| 2026 | 0.00 | 0.00 | 0.76 |
| 2027 | 0.00 | 0.00 | 0.76 |
| 2028 | 0.00 | 0.00 | 0.76 |
| 2029 | 0.00 | 0.00 | 0.76 |
Routes In Appalachian Mountains
| Bloomsbury | NEW-JERSEY | 40 | 1992 |
| W Augusta | VIRGINIA | 28 | 2000 |
| Mifflintown | PENNSYLVANIA | 21 | 1986 |
| Rifton | NEW-YORK | 20 | 1967 |
| Corryton Rd | TENNESSEE | 18 | 2001 |
| Green Bank | WEST-VIRGINIA | 17 | 1997 |
| English Ctr | PENNSYLVANIA | 15 | 1975 |
| Mt Olive | ALABAMA | 12 | 1974 |
| Oneonta | NEW-YORK | 12 | 1998 |
| Ryde | PENNSYLVANIA | 12 | 1993 |
| Durham | NEW-YORK | 10 | 1976 |
| Hix | WEST-VIRGINIA | 10 | 1982 |
| Sleepy Creek | WEST-VIRGINIA | 10 | 1980 |
| Centerville | NEW-YORK | 9 | 2006 |
| Hop Bottom | PENNSYLVANIA | 8 | 2005 |
| Martinsburg | WEST-VIRGINIA | 8 | 1995 |
| Betula | PENNSYLVANIA | 7 | 2022 |
| Corbettsvile | NEW-YORK | 6 | 1993 |
| Vestal Ctr | NEW-YORK | 6 | 2009 |
| Warwick 2 | NEW-YORK | 6 | 2009 |
| Birmingham | OHIO | 6 | 2024 |
| Rosecrans | PENNSYLVANIA | 6 | 2021 |
| Clear Creek | WEST-VIRGINIA | 6 | 1995 |
| Medusa | NEW-YORK | 5 | 2019 |
| Meadowbrook | OHIO | 5 | 2007 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.