Species · BCR 14 · BBS 2025 Release · 1966–2024
Northern Rough-winged Swallow In Atlantic Northern Forest
Northern Rough-winged Swallow in Atlantic Northern Forest has declined: down 47% on the route-weighted index since 1968.
-47%Since 1968
88Routes In Region
57Years
Notable Signals
No notable trend signals for Northern Rough-winged Swallow in Atlantic Northern Forest. See the full index history below.
Forecast
If the recent trend holds, Northern Rough-winged Swallow in Atlantic Northern Forest is projected to stay roughly flat through 2028, near 0.04 (95% range 0.00–0.29). A 5-year backtest shows a typical error of ±33.4%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2028
0.04Projected 2028 index
0.00–0.2995% range
±33.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.06 | 0.00 | 0.31 |
| 2025 | 0.06 | 0.00 | 0.30 |
| 2026 | 0.05 | 0.00 | 0.30 |
| 2027 | 0.05 | 0.00 | 0.30 |
| 2028 | 0.04 | 0.00 | 0.29 |
Routes In Atlantic Northern Forest
| Benton | MAINE | 17 | 1972 |
| Glen | NEW-HAMPSHIRE | 8 | 2010 |
| Clarksville | NEW-HAMPSHIRE | 7 | 2015 |
| Middlesex | VERMONT | 7 | 1986 |
| Kasoag | NEW-YORK | 6 | 2010 |
| Moose River | MAINE | 4 | 1994 |
| Cummington | MASSACHUSETTS | 4 | 2009 |
| Pittsfield | MASSACHUSETTS | 4 | 2016 |
| Highmarket | NEW-YORK | 4 | 2016 |
| Blue Ridge N | NEW-YORK | 4 | 1984 |
| S Wallingfrd | VERMONT | 4 | 2017 |
| Stowe | VERMONT | 4 | 1995 |
| New Hartford | CONNECTICUT | 3 | 2006 |
| Sheffield | MASSACHUSETTS | 3 | 2013 |
| Stratford | NEW-HAMPSHIRE | 3 | 2018 |
| W Rutland | VERMONT | 3 | 2022 |
| Bethel | MAINE | 2 | 2006 |
| East Troy | MAINE | 2 | 1993 |
| Hermon | MAINE | 2 | 1987 |
| Hudson | MAINE | 2 | 1989 |
| Church Hill | MAINE | 2 | 2013 |
| N Orange | MASSACHUSETTS | 2 | 1979 |
| Cheshire | MASSACHUSETTS | 2 | 1993 |
| Hancock | MASSACHUSETTS | 2 | 2000 |
| Mt Chocorua | NEW-HAMPSHIRE | 2 | 2004 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.