Species · BCR 14 · BBS 2025 Release · 1966–2024
Song Sparrow In Atlantic Northern Forest
Song Sparrow in Atlantic Northern Forest has edged down: down 21% on the route-weighted index since 1968.
-21%Since 1968
155Routes In Region
58Years
Notable Signals
No notable trend signals for Song Sparrow in Atlantic Northern Forest. See the full index history below.
Forecast
If the recent trend holds, Song Sparrow in Atlantic Northern Forest is projected to fall about 45% by 2029 — from 23 in 2024 to a central estimate of 13 (95% range 6.1–19). A 5-year backtest shows a typical error of ±41.8%, with 0% of held-out values landing inside the 95% band.
-45%Change by 2029
13Projected 2029 index
6.1–1995% range
±41.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 13 | 6.9 | 20 |
| 2026 | 13 | 6.7 | 20 |
| 2027 | 13 | 6.5 | 19 |
| 2028 | 13 | 6.3 | 19 |
| 2029 | 13 | 6.1 | 19 |
Routes In Atlantic Northern Forest
| Washburn | MAINE | 78 | 2005 |
| Ft Fairfield | MAINE | 61 | 2005 |
| Searsport | MAINE | 48 | 2024 |
| Hardwick | VERMONT | 48 | 2024 |
| Stowe | VERMONT | 48 | 2024 |
| Highmarket | NEW-YORK | 46 | 2024 |
| Harmony | MAINE | 43 | 2024 |
| St David | MAINE | 41 | 2005 |
| S Wallingfrd | VERMONT | 41 | 2022 |
| East Haven | VERMONT | 40 | 2024 |
| Turner 2 | MAINE | 39 | 2024 |
| St Johnsbury | VERMONT | 38 | 2024 |
| Fletcher | VERMONT | 38 | 2024 |
| Brooks | MAINE | 37 | 2019 |
| Boundary | MAINE | 37 | 2016 |
| Bowdoin Ctr | MAINE | 36 | 2021 |
| East Troy | MAINE | 36 | 2019 |
| Pittsfield | MASSACHUSETTS | 36 | 2016 |
| W Rutland | VERMONT | 36 | 2024 |
| East Calais | VERMONT | 36 | 2024 |
| Landgrove | VERMONT | 35 | 2024 |
| Cornville | MAINE | 34 | 2024 |
| Monterey | MASSACHUSETTS | 34 | 2024 |
| Concord | NEW-HAMPSHIRE | 34 | 2024 |
| Kasoag | NEW-YORK | 34 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.