Species · BCR 28 · BBS 2025 Release · 1966–2024
Savannah Sparrow In Appalachian Mountains
Savannah Sparrow in Appalachian Mountains has collapsed: down 78% on the route-weighted index since 1968.
-78%Since 1968
181Routes In Region
58Years
Notable Signals
long arc declinecomputed index
Savannah Sparrow has collapsed in Appalachian Mountains: down 78% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Savannah Sparrow in Appalachian Mountains is projected to fall about 43% by 2029 — from 0.41 in 2024 to a central estimate of 0.23 (95% range 0.00–0.76). A 5-year backtest shows a typical error of ±9.5%, with 100% of held-out values landing inside the 95% band.
-43%Change by 2029
0.23Projected 2029 index
0.00–0.7695% range
±9.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.36 | 0.00 | 0.89 |
| 2026 | 0.33 | 0.00 | 0.86 |
| 2027 | 0.30 | 0.00 | 0.83 |
| 2028 | 0.27 | 0.00 | 0.79 |
| 2029 | 0.23 | 0.00 | 0.76 |
Routes In Appalachian Mountains
| Stonecreek | OHIO | 15 | 2024 |
| Dryden | NEW-YORK | 13 | 2024 |
| Portersville | PENNSYLVANIA | 12 | 1988 |
| Bebee | WEST-VIRGINIA | 11 | 2006 |
| Centerville | NEW-YORK | 10 | 2015 |
| Jennings | MARYLAND | 6 | 2024 |
| Mcdonough | NEW-YORK | 6 | 2017 |
| Oxford | NEW-YORK | 6 | 1976 |
| Phillips Cr | NEW-YORK | 6 | 2023 |
| Swain | NEW-YORK | 6 | 2007 |
| Cattaraugus | NEW-YORK | 6 | 2019 |
| Little Marsh | PENNSYLVANIA | 5 | 2024 |
| Denmar | WEST-VIRGINIA | 5 | 2024 |
| Mt Nebo | MARYLAND | 4 | 1991 |
| Meridale | NEW-YORK | 4 | 2024 |
| Coventryvile | NEW-YORK | 4 | 2021 |
| Vestal Ctr | NEW-YORK | 4 | 2018 |
| Gainesville | NEW-YORK | 4 | 2023 |
| Rasselas | PENNSYLVANIA | 4 | 2022 |
| Austinville | PENNSYLVANIA | 4 | 2024 |
| Honesdale | PENNSYLVANIA | 4 | 2024 |
| Starlight | PENNSYLVANIA | 4 | 1992 |
| Sutton | WEST-VIRGINIA | 4 | 1989 |
| Accident | MARYLAND | 3 | 2017 |
| Cobleskill | NEW-YORK | 3 | 2023 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.