Species · BCR 30 · BBS 2025 Release · 1966–2024
Magnolia Warbler In New England / Mid-Atlantic Coast
Magnolia Warbler in New England / Mid-Atlantic Coast has held roughly steady: down 6% on the route-weighted index since 1969.
-6%Since 1969
22Routes In Region
46Years
Notable Signals
No notable trend signals for Magnolia Warbler in New England / Mid-Atlantic Coast. See the full index history below.
Forecast
If the recent trend holds, Magnolia Warbler in New England / Mid-Atlantic Coast is projected to stay roughly flat through 2029, near 0.03 (95% range 0.00–0.08). A 5-year backtest shows a typical error of ±91.8%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.03Projected 2029 index
0.00–0.0895% range
±91.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.03 | 0.00 | 0.08 |
| 2026 | 0.03 | 0.00 | 0.08 |
| 2027 | 0.03 | 0.00 | 0.08 |
| 2028 | 0.03 | 0.00 | 0.08 |
| 2029 | 0.03 | 0.00 | 0.08 |
Routes In New England / Mid-Atlantic Coast
| Sherman | CONNECTICUT | 2 | 2011 |
| E Hartland | CONNECTICUT | 1 | 1990 |
| Buckingham | CONNECTICUT | 1 | 2002 |
| Westbrook | CONNECTICUT | 1 | 1980 |
| No Woodbury | CONNECTICUT | 1 | 2000 |
| Warren | CONNECTICUT | 1 | 2011 |
| Woodstock 2 | CONNECTICUT | 1 | 2021 |
| Granby | CONNECTICUT | 1 | 2024 |
| Cape Neddick | MAINE | 1 | 1972 |
| Kittery Pt | MAINE | 1 | 1996 |
| Mansfield | MASSACHUSETTS | 1 | 2002 |
| Princeton | MASSACHUSETTS | 1 | 1976 |
| E Pepperell | MASSACHUSETTS | 1 | 1967 |
| Belchertown | MASSACHUSETTS | 1 | 2024 |
| Warren | MASSACHUSETTS | 1 | 2002 |
| S Barre | MASSACHUSETTS | 1 | 1986 |
| Holden | MASSACHUSETTS | 1 | 2002 |
| Ware River | MASSACHUSETTS | 1 | 2012 |
| Brentwood | NEW-HAMPSHIRE | 1 | 1977 |
| Dover | NEW-HAMPSHIRE | 1 | 1982 |
| Epsom | NEW-HAMPSHIRE | 1 | 1992 |
| Strafford | NEW-HAMPSHIRE | 1 | 2018 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.