Species · BCR 28 · BBS 2025 Release · 1966–2024
Pine Siskin In Appalachian Mountains
Pine Siskin in Appalachian Mountains has collapsed: down 76% on the route-weighted index since 1981.
-76%Since 1981
27Routes In Region
28Years
Notable Signals
long arc declinecomputed index
Pine Siskin has collapsed in Appalachian Mountains: down 76% on the route-weighted index since 1981.
Forecast
If the recent trend holds, Pine Siskin in Appalachian Mountains is projected to stay roughly flat through 2028, near 0.00 (95% range 0.00–0.06). A 5-year backtest shows a typical error of ±61.3%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2028
0.00Projected 2028 index
0.00–0.0695% range
±61.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.01 | 0.00 | 0.06 |
| 2025 | 0.01 | 0.00 | 0.06 |
| 2026 | 0.01 | 0.00 | 0.06 |
| 2027 | 0.00 | 0.00 | 0.06 |
| 2028 | 0.00 | 0.00 | 0.06 |
Routes In Appalachian Mountains
| Green Bank | WEST-VIRGINIA | 9 | 2013 |
| Busick | NORTH-CAROLINA | 7 | 1999 |
| Corbettsvile | NEW-YORK | 4 | 2009 |
| Cullowhee | NORTH-CAROLINA | 3 | 2023 |
| Vindex | MARYLAND | 2 | 2002 |
| Dryden | NEW-YORK | 2 | 1990 |
| Linville | NORTH-CAROLINA | 2 | 1995 |
| Greasy Ridge | OHIO | 2 | 1981 |
| Hop Bottom | PENNSYLVANIA | 2 | 1988 |
| Valley Head | WEST-VIRGINIA | 2 | 2019 |
| Floyd | MARYLAND | 1 | 2016 |
| Medusa | NEW-YORK | 1 | 1979 |
| Meridale | NEW-YORK | 1 | 1988 |
| Cobleskill | NEW-YORK | 1 | 2011 |
| Platte Cove | NEW-YORK | 1 | 1992 |
| Mcdonough | NEW-YORK | 1 | 2015 |
| Phillips Cr | NEW-YORK | 1 | 1993 |
| Swain | NEW-YORK | 1 | 1988 |
| Gainesville | NEW-YORK | 1 | 1990 |
| French Broad River | NORTH-CAROLINA | 1 | 2009 |
| Rasselas | PENNSYLVANIA | 1 | 2006 |
| Munson | PENNSYLVANIA | 1 | 1988 |
| Waterstreet | PENNSYLVANIA | 1 | 1988 |
| Stoneybreak | PENNSYLVANIA | 1 | 1998 |
| Sproul Sf-B | PENNSYLVANIA | 1 | 2013 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.