Species · BCR 14 · BBS 2025 Release · 1966–2024
Mallard In Atlantic Northern Forest
Mallard in Atlantic Northern Forest has surged: up 362% on the route-weighted index since 1968.
+362%Since 1968
121Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Mallard has surged in Atlantic Northern Forest: up 362% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Mallard in Atlantic Northern Forest is projected to rise about 16% by 2029 — from 1.2 in 2024 to a central estimate of 1.4 (95% range 0.87–1.9). A 5-year backtest shows a typical error of ±23.9%, with 80% of held-out values landing inside the 95% band.
+16%Change by 2029
1.4Projected 2029 index
0.87–1.995% range
±23.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.3 | 0.79 | 1.9 |
| 2026 | 1.3 | 0.81 | 1.9 |
| 2027 | 1.4 | 0.83 | 1.9 |
| 2028 | 1.4 | 0.85 | 1.9 |
| 2029 | 1.4 | 0.87 | 1.9 |
Routes In Atlantic Northern Forest
| Fletcher | VERMONT | 75 | 2023 |
| Manchester | MAINE | 42 | 1995 |
| Cheshire | MASSACHUSETTS | 27 | 1994 |
| Landgrove | VERMONT | 17 | 2024 |
| Speculator | NEW-YORK | 12 | 2024 |
| Franconia | NEW-HAMPSHIRE | 11 | 2024 |
| Hope Falls | NEW-YORK | 11 | 1995 |
| Middlesex | VERMONT | 9 | 2023 |
| Greenwood | MAINE | 8 | 2024 |
| Mckeever | NEW-YORK | 8 | 2018 |
| Newcomb | NEW-YORK | 8 | 2022 |
| New Hartford | CONNECTICUT | 7 | 2021 |
| Turner | MAINE | 6 | 2010 |
| St Regis Fls | NEW-YORK | 6 | 2016 |
| Boundary | MAINE | 5 | 2015 |
| Peterborough | NEW-HAMPSHIRE | 5 | 1999 |
| Crawford Not | NEW-HAMPSHIRE | 5 | 1974 |
| Hartford | MAINE | 4 | 2024 |
| Harmony | MAINE | 4 | 2024 |
| Hermon | MAINE | 4 | 2019 |
| Marlow | NEW-HAMPSHIRE | 4 | 2013 |
| Warren | MAINE | 3 | 1985 |
| Brooks | MAINE | 3 | 2013 |
| Hancock | MAINE | 3 | 2024 |
| Concord | NEW-HAMPSHIRE | 3 | 2015 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.