Species · BCR 14 · BBS 2025 Release · 1966–2024
Scarlet Tanager In Atlantic Northern Forest
Scarlet Tanager in Atlantic Northern Forest has declined: down 35% on the route-weighted index since 1968.
-35%Since 1968
152Routes In Region
58Years
Notable Signals
No notable trend signals for Scarlet Tanager in Atlantic Northern Forest. See the full index history below.
Forecast
If the recent trend holds, Scarlet Tanager in Atlantic Northern Forest is projected to fall about 44% by 2029 — from 2.5 in 2024 to a central estimate of 1.4 (95% range 0.14–2.7). A 5-year backtest shows a typical error of ±23.1%, with 100% of held-out values landing inside the 95% band.
-44%Change by 2029
1.4Projected 2029 index
0.14–2.795% range
±23.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.6 | 0.34 | 2.9 |
| 2026 | 1.6 | 0.29 | 2.8 |
| 2027 | 1.5 | 0.24 | 2.8 |
| 2028 | 1.5 | 0.19 | 2.7 |
| 2029 | 1.4 | 0.14 | 2.7 |
Routes In Atlantic Northern Forest
| Monterey | MASSACHUSETTS | 12 | 2024 |
| Marlboro | VERMONT | 12 | 2024 |
| Northfield | MAINE | 8 | 1981 |
| N Orange | MASSACHUSETTS | 8 | 2024 |
| Pittsfield | MASSACHUSETTS | 8 | 2016 |
| Sheffield | MASSACHUSETTS | 8 | 2022 |
| Peterborough | NEW-HAMPSHIRE | 7 | 2024 |
| Canterbury | NEW-HAMPSHIRE | 7 | 2024 |
| Walpole | NEW-HAMPSHIRE | 7 | 2024 |
| Marlow | NEW-HAMPSHIRE | 7 | 2024 |
| Glen | NEW-HAMPSHIRE | 7 | 2024 |
| New Hartford | CONNECTICUT | 6 | 1987 |
| Cambridge | MAINE | 6 | 2008 |
| Horseshoe L. | NEW-YORK | 6 | 2017 |
| Waterville | VERMONT | 6 | 1980 |
| Cummington | MASSACHUSETTS | 5 | 2014 |
| Cummington 2 | MASSACHUSETTS | 5 | 2024 |
| Fitzwilliam | NEW-HAMPSHIRE | 5 | 2024 |
| Hopkinton | NEW-HAMPSHIRE | 5 | 2024 |
| North River | NEW-YORK | 5 | 2007 |
| Tupper Lake | NEW-YORK | 5 | 1976 |
| Stratton | VERMONT | 5 | 2024 |
| Benedicta | MAINE | 4 | 1980 |
| Grnd Lk Strm | MAINE | 4 | 1992 |
| Cheshire | MASSACHUSETTS | 4 | 1994 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.