Species · BCR 28 · BBS 2025 Release · 1966–2024
Purple Finch In Appalachian Mountains
Purple Finch in Appalachian Mountains has declined: down 40% on the route-weighted index since 1968.
-40%Since 1968
143Routes In Region
58Years
Notable Signals
No notable trend signals for Purple Finch in Appalachian Mountains. See the full index history below.
Forecast
If the recent trend holds, Purple Finch in Appalachian Mountains is projected to rise about 83% by 2029 — from 0.14 in 2024 to a central estimate of 0.26 (95% range 0.10–0.43). A 5-year backtest shows a typical error of ±51.8%, with 80% of held-out values landing inside the 95% band.
+83%Change by 2029
0.26Projected 2029 index
0.10–0.4395% range
±51.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.27 | 0.11 | 0.43 |
| 2026 | 0.27 | 0.11 | 0.43 |
| 2027 | 0.27 | 0.11 | 0.43 |
| 2028 | 0.27 | 0.10 | 0.43 |
| 2029 | 0.26 | 0.10 | 0.43 |
Routes In Appalachian Mountains
| Roulette | PENNSYLVANIA | 10 | 2021 |
| Mcdonough | NEW-YORK | 6 | 2017 |
| Swain | NEW-YORK | 6 | 2007 |
| Cattaraugus | NEW-YORK | 5 | 2019 |
| Finzel | MARYLAND | 4 | 2023 |
| Durham | NEW-YORK | 4 | 1974 |
| Platte Cove | NEW-YORK | 4 | 2018 |
| Laurens | NEW-YORK | 4 | 2022 |
| Dryden | NEW-YORK | 4 | 2024 |
| Marsh Hill | PENNSYLVANIA | 4 | 2024 |
| Meridale | NEW-YORK | 3 | 2024 |
| Oxford | NEW-YORK | 3 | 1976 |
| E Newark | NEW-YORK | 3 | 2023 |
| East Java | NEW-YORK | 3 | 2023 |
| Betula | PENNSYLVANIA | 3 | 2022 |
| Rasselas | PENNSYLVANIA | 3 | 2022 |
| Mawr Glen | PENNSYLVANIA | 3 | 2023 |
| Midvale | NEW-JERSEY | 2 | 1980 |
| Rifton | NEW-YORK | 2 | 1984 |
| Medusa | NEW-YORK | 2 | 2019 |
| Cooperstown | NEW-YORK | 2 | 1977 |
| Cobleskill | NEW-YORK | 2 | 2023 |
| S Berne | NEW-YORK | 2 | 2013 |
| Coventryvile | NEW-YORK | 2 | 2015 |
| Phillips Cr | NEW-YORK | 2 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.