Species · BCR 14 · BBS 2025 Release · 1966–2024
Green Heron In Atlantic Northern Forest
Green Heron in Atlantic Northern Forest has fallen sharply: down 66% on the route-weighted index since 1968.
-66%Since 1968
67Routes In Region
54Years
Notable Signals
long arc declinecomputed index
Green Heron has fallen sharply in Atlantic Northern Forest: down 66% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Green Heron in Atlantic Northern Forest is projected to fall about 100% by 2028 — from 0.07 in 2023 to a central estimate of 0.00 (95% range 0.00–0.08). A 5-year backtest shows a typical error of ±140.2%, with 80% of held-out values landing inside the 95% band.
-100%Change by 2028
0.00Projected 2028 index
0.00–0.0895% range
±140.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.00 | 0.00 | 0.08 |
| 2025 | 0.00 | 0.00 | 0.08 |
| 2026 | 0.00 | 0.00 | 0.08 |
| 2027 | 0.00 | 0.00 | 0.08 |
| 2028 | 0.00 | 0.00 | 0.08 |
Routes In Atlantic Northern Forest
| Pittsfield | MASSACHUSETTS | 4 | 2005 |
| Westbrook | MAINE | 2 | 1989 |
| Brooks | MAINE | 2 | 1977 |
| Charleston | MAINE | 2 | 1991 |
| Cambridge | MAINE | 2 | 2001 |
| Jefferson Hl | NEW-HAMPSHIRE | 2 | 1995 |
| Stratford | NEW-HAMPSHIRE | 2 | 1995 |
| Dannemora | NEW-YORK | 2 | 1976 |
| Sciota | NEW-YORK | 2 | 2006 |
| W Rutland | VERMONT | 2 | 2015 |
| New Hartford | CONNECTICUT | 1 | 1985 |
| Newcastle | MAINE | 1 | 1993 |
| Turner | MAINE | 1 | 1991 |
| South Arm | MAINE | 1 | 1975 |
| Otisfield Gr | MAINE | 1 | 1986 |
| Hartford | MAINE | 1 | 2004 |
| Bowdoin Ctr | MAINE | 1 | 1986 |
| Manchester | MAINE | 1 | 1982 |
| East Troy | MAINE | 1 | 1994 |
| Harmony | MAINE | 1 | 1990 |
| Hermon | MAINE | 1 | 1981 |
| Eastbrook | MAINE | 1 | 1979 |
| Medway | MAINE | 1 | 2000 |
| Forest Sta | MAINE | 1 | 1968 |
| Washburn | MAINE | 1 | 1990 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.