Species · BCR 30 · BBS 2025 Release · 1966–2024
Purple Finch In New England / Mid-Atlantic Coast
Purple Finch in New England / Mid-Atlantic Coast has collapsed: down 88% on the route-weighted index since 1968.
-88%Since 1968
54Routes In Region
56Years
Notable Signals
long arc declinecomputed index
Purple Finch has collapsed in New England / Mid-Atlantic Coast: down 88% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Purple Finch in New England / Mid-Atlantic Coast is projected to fall about 100% by 2029 — from 0.10 in 2024 to a central estimate of 0.00 (95% range 0.00–0.28). A 5-year backtest shows a typical error of ±222.7%, with 100% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–0.2895% range
±222.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.28 |
| 2026 | 0.00 | 0.00 | 0.28 |
| 2027 | 0.00 | 0.00 | 0.28 |
| 2028 | 0.00 | 0.00 | 0.28 |
| 2029 | 0.00 | 0.00 | 0.28 |
Routes In New England / Mid-Atlantic Coast
| Westhampton | NEW-YORK | 11 | 1995 |
| Chilmark | MASSACHUSETTS | 6 | 1981 |
| Brockton | MASSACHUSETTS | 6 | 2015 |
| Woodstock | CONNECTICUT | 4 | 1987 |
| Warren | CONNECTICUT | 4 | 2011 |
| Strafford | NEW-HAMPSHIRE | 4 | 2024 |
| N Oxford | MASSACHUSETTS | 3 | 1979 |
| Holden | MASSACHUSETTS | 3 | 2024 |
| N. Andover | MASSACHUSETTS | 3 | 1995 |
| Dover | NEW-HAMPSHIRE | 3 | 2021 |
| Huntington | NEW-YORK | 3 | 1981 |
| Westbrook | CONNECTICUT | 2 | 1992 |
| Sherman | CONNECTICUT | 2 | 2008 |
| Mid Haddam | CONNECTICUT | 2 | 1995 |
| Southington | CONNECTICUT | 2 | 1984 |
| Prattville | MASSACHUSETTS | 2 | 2005 |
| Quonset Pt | RHODE-ISLAND | 2 | 1992 |
| Sachuest Pt | RHODE-ISLAND | 2 | 1988 |
| Mystic | CONNECTICUT | 1 | 2002 |
| E Hartland | CONNECTICUT | 1 | 1991 |
| Buckingham | CONNECTICUT | 1 | 1979 |
| Uncasville | CONNECTICUT | 1 | 2008 |
| Willimantic | CONNECTICUT | 1 | 2005 |
| No Woodbury | CONNECTICUT | 1 | 2022 |
| Greenwich | CONNECTICUT | 1 | 1976 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.