Species · BCR 14 · BBS 2025 Release · 1966–2024
Purple Finch In Atlantic Northern Forest
Purple Finch in Atlantic Northern Forest has fallen sharply: down 71% on the route-weighted index since 1968.
-71%Since 1968
156Routes In Region
58Years
Notable Signals
long arc declinecomputed index
Purple Finch has fallen sharply in Atlantic Northern Forest: down 71% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Purple Finch in Atlantic Northern Forest is projected to fall about 54% by 2029 — from 1.6 in 2024 to a central estimate of 0.76 (95% range 0.00–2.0). A 5-year backtest shows a typical error of ±30.1%, with 100% of held-out values landing inside the 95% band.
-54%Change by 2029
0.76Projected 2029 index
0.00–2.095% range
±30.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.1 | 0.00 | 2.3 |
| 2026 | 0.99 | 0.00 | 2.3 |
| 2027 | 0.91 | 0.00 | 2.2 |
| 2028 | 0.84 | 0.00 | 2.1 |
| 2029 | 0.76 | 0.00 | 2.0 |
Routes In Atlantic Northern Forest
| Northfield | MAINE | 23 | 1981 |
| Pillsbury Pd | MAINE | 23 | 1968 |
| Baxter | MAINE | 18 | 1984 |
| Blue Ridge S | NEW-YORK | 17 | 2010 |
| Dexter Lake | NEW-YORK | 12 | 1975 |
| Carrying Pl | MAINE | 11 | 2024 |
| Inlet | NEW-YORK | 11 | 2017 |
| Seboomook Lk | MAINE | 10 | 2014 |
| Priestly Br. | MAINE | 10 | 2013 |
| Ludlow | MAINE | 8 | 1998 |
| Big Twenty 2 | MAINE | 8 | 2009 |
| Hancock | MAINE | 6 | 2024 |
| Clayton Lake | MAINE | 6 | 2001 |
| Cummington | MASSACHUSETTS | 6 | 2014 |
| Speculator | NEW-YORK | 6 | 2024 |
| Waterville | VERMONT | 6 | 1980 |
| East Troy | MAINE | 5 | 2018 |
| Charleston | MAINE | 5 | 2017 |
| Waite | MAINE | 5 | 1977 |
| Baker Lake 2 | MAINE | 5 | 2013 |
| Canterbury | NEW-HAMPSHIRE | 5 | 2024 |
| Benton | MAINE | 4 | 1980 |
| Washburn | MAINE | 4 | 2005 |
| Topsfield | MAINE | 4 | 1996 |
| Hancock | MASSACHUSETTS | 4 | 2015 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.