Species · BCR 14 · BBS 2025 Release · 1966–2024
Blue-gray Gnatcatcher In Atlantic Northern Forest
Blue-gray Gnatcatcher in Atlantic Northern Forest has risen sharply: up 75% on the route-weighted index since 1977.
+75%Since 1977
26Routes In Region
34Years
Notable Signals
No notable trend signals for Blue-gray Gnatcatcher in Atlantic Northern Forest. See the full index history below.
Forecast
If the recent trend holds, Blue-gray Gnatcatcher in Atlantic Northern Forest is projected to stay roughly flat through 2029, near 0.04 (95% range 0.00–0.07). A 5-year backtest shows a typical error of ±40.7%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.04Projected 2029 index
0.00–0.0795% range
±40.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.03 | 0.00 | 0.07 |
| 2026 | 0.03 | 0.00 | 0.07 |
| 2027 | 0.04 | 0.00 | 0.07 |
| 2028 | 0.04 | 0.00 | 0.07 |
| 2029 | 0.04 | 0.00 | 0.07 |
Routes In Atlantic Northern Forest
| Hartford | MAINE | 4 | 1997 |
| Turner | MAINE | 2 | 1997 |
| South Arm | MAINE | 2 | 1998 |
| Chesterfield | MASSACHUSETTS | 2 | 2001 |
| Sheffield | MASSACHUSETTS | 2 | 2004 |
| Peterborough | NEW-HAMPSHIRE | 2 | 2019 |
| Hopkinton | NEW-HAMPSHIRE | 2 | 2019 |
| New Hartford | CONNECTICUT | 1 | 1987 |
| New Hartford | CONNECTICUT | 1 | 2001 |
| Biddeford | MAINE | 1 | 1986 |
| N Orange | MASSACHUSETTS | 1 | 2014 |
| Pittsfield | MASSACHUSETTS | 1 | 2003 |
| Fitzwilliam | NEW-HAMPSHIRE | 1 | 2024 |
| Franconia | NEW-HAMPSHIRE | 1 | 1977 |
| Milan | NEW-HAMPSHIRE | 1 | 1980 |
| Jeffers Ntch | NEW-HAMPSHIRE | 1 | 2016 |
| Petersburg | NEW-YORK | 1 | 2012 |
| S Horicon | NEW-YORK | 1 | 2016 |
| Degrasse | NEW-YORK | 1 | 2021 |
| Wanakena | NEW-YORK | 1 | 2013 |
| Gaysville | VERMONT | 1 | 1992 |
| Post Mills | VERMONT | 1 | 1988 |
| W Rutland | VERMONT | 1 | 2013 |
| East Haven | VERMONT | 1 | 1997 |
| Hardwick | VERMONT | 1 | 1999 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.