Species · BCR 30 · BBS 2025 Release · 1966–2024
Winter Wren In New England / Mid-Atlantic Coast
Winter Wren in New England / Mid-Atlantic Coast has surged: up 108% on the route-weighted index since 1971.
+108%Since 1971
32Routes In Region
47Years
Notable Signals
No notable trend signals for Winter Wren in New England / Mid-Atlantic Coast. See the full index history below.
Forecast
If the recent trend holds, Winter Wren in New England / Mid-Atlantic Coast is projected to stay roughly flat through 2029, near 0.04 (95% range 0.00–0.10). A 5-year backtest shows a typical error of ±22%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.04Projected 2029 index
0.00–0.1095% range
±22%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.04 | 0.00 | 0.10 |
| 2026 | 0.04 | 0.00 | 0.10 |
| 2027 | 0.04 | 0.00 | 0.10 |
| 2028 | 0.04 | 0.00 | 0.10 |
| 2029 | 0.04 | 0.00 | 0.10 |
Routes In New England / Mid-Atlantic Coast
| Sherman | CONNECTICUT | 2 | 2013 |
| Ware River | MASSACHUSETTS | 2 | 2021 |
| Brentwood | NEW-HAMPSHIRE | 2 | 1995 |
| Epsom | NEW-HAMPSHIRE | 2 | 2023 |
| Buckingham | CONNECTICUT | 1 | 1974 |
| Uncasville | CONNECTICUT | 1 | 1991 |
| Woodstock | CONNECTICUT | 1 | 1996 |
| Westbrook | CONNECTICUT | 1 | 1992 |
| Greenwich | CONNECTICUT | 1 | 1975 |
| Danbury | CONNECTICUT | 1 | 1976 |
| Warren | CONNECTICUT | 1 | 2010 |
| Long Hill | CONNECTICUT | 1 | 1974 |
| Mid Haddam | CONNECTICUT | 1 | 2024 |
| Southington | CONNECTICUT | 1 | 1999 |
| Woodstock 2 | CONNECTICUT | 1 | 2021 |
| Granby | CONNECTICUT | 1 | 2023 |
| Cape Neddick | MAINE | 1 | 1993 |
| Kittery Pt | MAINE | 1 | 1991 |
| Prattville | MASSACHUSETTS | 1 | 2005 |
| Newburyport | MASSACHUSETTS | 1 | 1988 |
| Maynard | MASSACHUSETTS | 1 | 1973 |
| Littleton | MASSACHUSETTS | 1 | 2000 |
| Mansfield | MASSACHUSETTS | 1 | 1999 |
| Belchertown | MASSACHUSETTS | 1 | 2024 |
| Warren | MASSACHUSETTS | 1 | 1990 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.