Species · BCR 14 · BBS 2025 Release · 1966–2024
Winter Wren In Atlantic Northern Forest
Winter Wren in Atlantic Northern Forest has surged: up 107% on the route-weighted index since 1968.
+107%Since 1968
153Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Winter Wren has surged in Atlantic Northern Forest: up 107% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Winter Wren in Atlantic Northern Forest is projected to rise about 42% by 2029 — from 4.4 in 2024 to a central estimate of 6.2 (95% range 2.3–10). A 5-year backtest shows a typical error of ±58.9%, with 100% of held-out values landing inside the 95% band.
+42%Change by 2029
6.2Projected 2029 index
2.3–1095% range
±58.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 6.0 | 2.1 | 9.9 |
| 2026 | 6.1 | 2.2 | 9.9 |
| 2027 | 6.1 | 2.2 | 10.0 |
| 2028 | 6.1 | 2.2 | 10 |
| 2029 | 6.2 | 2.3 | 10 |
Routes In Atlantic Northern Forest
| Pillsbury Pd | MAINE | 65 | 1968 |
| Telos | MAINE | 31 | 2006 |
| Inlet | NEW-YORK | 31 | 2017 |
| Wytopitlock | MAINE | 29 | 1998 |
| Seboomook Lk | MAINE | 25 | 2014 |
| Carrying Pl | MAINE | 24 | 2024 |
| Wilson Mills | MAINE | 23 | 2024 |
| Baker Lake | MAINE | 23 | 2009 |
| Nesowadnehun | MAINE | 22 | 2021 |
| Baxter | MAINE | 21 | 1988 |
| Heron Lake | MAINE | 21 | 2003 |
| Ludlow | MAINE | 20 | 1998 |
| Reeds | MAINE | 18 | 2024 |
| Yankeetuladi | MAINE | 18 | 2009 |
| Clayton Lake | MAINE | 16 | 2008 |
| Clarksville | NEW-HAMPSHIRE | 16 | 2024 |
| St Regis Fls | NEW-YORK | 16 | 2017 |
| Washburn | MAINE | 15 | 2005 |
| Waite | MAINE | 14 | 1977 |
| Big Twenty 2 | MAINE | 14 | 2009 |
| Old Forge | NEW-YORK | 14 | 2006 |
| Charleston | MAINE | 13 | 2019 |
| Grnd Lk Strm | MAINE | 13 | 2000 |
| Jeffers Ntch | NEW-HAMPSHIRE | 13 | 2024 |
| Dixville Notch 2 | NEW-HAMPSHIRE | 13 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.