Species · BCR 28 · BBS 2025 Release · 1966–2024
House Finch In Appalachian Mountains
House Finch in Appalachian Mountains has surged: up 108× on the route-weighted index since 1971.
108×Since 1971
341Routes In Region
55Years
Notable Signals
long arc increasecomputed index
House Finch has surged in Appalachian Mountains: up 108× on the route-weighted index since 1971.
Forecast
If the recent trend holds, House Finch in Appalachian Mountains is projected to rise about 36% by 2029 — from 4.6 in 2024 to a central estimate of 6.3 (95% range 0.52–12). A 5-year backtest shows a typical error of ±66.4%, with 100% of held-out values landing inside the 95% band.
+36%Change by 2029
6.3Projected 2029 index
0.52–1295% range
±66.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 6.0 | 0.29 | 12 |
| 2026 | 6.1 | 0.35 | 12 |
| 2027 | 6.1 | 0.41 | 12 |
| 2028 | 6.2 | 0.47 | 12 |
| 2029 | 6.3 | 0.52 | 12 |
Routes In Appalachian Mountains
| Ryde | PENNSYLVANIA | 56 | 2005 |
| Birmingham | ALABAMA | 52 | 1995 |
| Williamsport | MARYLAND | 49 | 2024 |
| Lovell | TENNESSEE | 48 | 2019 |
| Middletown | PENNSYLVANIA | 47 | 2024 |
| Quakertown | PENNSYLVANIA | 39 | 1989 |
| Corryton Rd | TENNESSEE | 39 | 2019 |
| Mt Olive | TENNESSEE | 38 | 2024 |
| Hope | NEW-JERSEY | 30 | 1994 |
| Dover | NEW-JERSEY | 28 | 2023 |
| Drehersville 2 | PENNSYLVANIA | 28 | 2024 |
| Sleepy Creek | WEST-VIRGINIA | 28 | 1990 |
| Kemah Lake | NEW-JERSEY | 27 | 2024 |
| Scheafferstn | PENNSYLVANIA | 25 | 2001 |
| Millville | PENNSYLVANIA | 24 | 2024 |
| Blacksburg | VIRGINIA | 22 | 2024 |
| Berwick | PENNSYLVANIA | 21 | 2024 |
| Smithfield | OHIO | 20 | 2024 |
| Ramsey | PENNSYLVANIA | 20 | 2023 |
| Brunnerville 2 | PENNSYLVANIA | 20 | 2024 |
| Stoneybreak | PENNSYLVANIA | 20 | 2024 |
| Paradise | WEST-VIRGINIA | 19 | 2023 |
| Choccolocco | ALABAMA | 18 | 2024 |
| Portersville | PENNSYLVANIA | 17 | 1988 |
| Ruthbelle | WEST-VIRGINIA | 17 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.