Species · BCR 14 · BBS 2025 Release · 1966–2024
Canada Warbler In Atlantic Northern Forest
Canada Warbler in Atlantic Northern Forest has collapsed: down 80% on the route-weighted index since 1968.
-80%Since 1968
150Routes In Region
58Years
Notable Signals
long arc declinecomputed index
Canada Warbler has collapsed in Atlantic Northern Forest: down 80% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Canada Warbler in Atlantic Northern Forest is projected to fall about 100% by 2029 — from 0.63 in 2024 to a central estimate of 0.00 (95% range 0.00–0.58). A 5-year backtest shows a typical error of ±87.3%, with 60% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–0.5895% range
±87.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.06 | 0.00 | 0.65 |
| 2026 | 0.02 | 0.00 | 0.61 |
| 2027 | 0.00 | 0.00 | 0.58 |
| 2028 | 0.00 | 0.00 | 0.58 |
| 2029 | 0.00 | 0.00 | 0.58 |
Routes In Atlantic Northern Forest
| Pillsbury Pd | MAINE | 25 | 1968 |
| Sabattis | NEW-YORK | 7 | 1983 |
| Northfield | MAINE | 6 | 1981 |
| Topsfield | MAINE | 6 | 1992 |
| Wanakena | NEW-YORK | 6 | 2024 |
| Dexter Lake | NEW-YORK | 6 | 1975 |
| Waterville | VERMONT | 6 | 1980 |
| Franconia | NEW-HAMPSHIRE | 5 | 2024 |
| Wilson Mills | MAINE | 4 | 2024 |
| Dixville Notch 2 | NEW-HAMPSHIRE | 4 | 2024 |
| Inlet | NEW-YORK | 4 | 2017 |
| St Regis Fls | NEW-YORK | 4 | 2016 |
| Turner | MAINE | 3 | 2002 |
| Carrying Pl | MAINE | 3 | 2022 |
| Baxter | MAINE | 3 | 1988 |
| Seboomook Lk | MAINE | 3 | 2014 |
| Forest Sta | MAINE | 3 | 2000 |
| Clayton Lake | MAINE | 3 | 2001 |
| Ludlow | MAINE | 3 | 1998 |
| St David | MAINE | 3 | 2005 |
| Dixvil Notch | NEW-HAMPSHIRE | 3 | 2017 |
| Hope Falls | NEW-YORK | 3 | 1994 |
| Degrasse | NEW-YORK | 3 | 2024 |
| Gabriels | NEW-YORK | 3 | 2024 |
| Newcastle | MAINE | 2 | 2003 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.