Species · Alaska · BBS 2025 Release · 1966–2024
Mallard Population Trend in Alaska
Mallard in Alaska has fallen sharply: down 67% on the route-weighted index since 1978.
-67%Since 1978
99Routes In State
45Years
Notable Mallard Trends in Alaska
long arc declinecomputed index
Mallard has fallen sharply in Alaska: down 67% on the route-weighted index since 1978.
Mallard Population Forecast in Alaska
If the recent trend holds, Mallard in Alaska is projected to fall about 66% by 2029 — from 1.1 in 2024 to a central estimate of 0.37 (95% range 0.00–1.7). A 5-year backtest shows a typical error of ±53.8%, with 100% of held-out values landing inside the 95% band.
-66%Change by 2029
0.37Projected 2029 index
0.00–1.795% range
±53.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.51 | 0.00 | 1.8 |
| 2026 | 0.47 | 0.00 | 1.8 |
| 2027 | 0.44 | 0.00 | 1.7 |
| 2028 | 0.41 | 0.00 | 1.7 |
| 2029 | 0.37 | 0.00 | 1.7 |
Mallard Survey Routes in Alaska
| Bear Creek | 30 | 1991 | 1987 |
| Cottonwood | 23 | 1988 | 1987 |
| Homer | 15 | 1982 | 1977 |
| Haines | 10 | 2024 | 1991 |
| Porcupine R. | 10 | 2001 | 1993 |
| Dillingham | 9 | 2019 | 2008 |
| Delta | 8 | 2024 | 2019 |
| Nebesna | 7 | 1975 | 1975 |
| Cordova | 7 | 2024 | 1983 |
| Nicholai Sl | 7 | 2019 | 1998 |
| Kachemak | 7 | 2024 | 1997 |
| Seward | 6 | 1992 | 1982 |
| Skagway | 6 | 2024 | 1999 |
| Kanuti Lake | 6 | 2024 | 2006 |
| Cold Bay | 5 | 2024 | 1993 |
| L Salcha | 4 | 2015 | 1985 |
| Chiniak | 4 | 2024 | 1985 |
| Gweek River | 4 | 2002 | 1995 |
| Toklat | 3 | 2013 | 1997 |
| Chena Hot Spring 2 | 3 | 2022 | 2002 |
| Kodiak 2 | 3 | 2024 | 1985 |
| Goodnews Bay | 3 | 2005 | 1999 |
| Unalakleet River | 3 | 2023 | 2010 |
| Mud River | 3 | 2024 | 1993 |
| Murphy Dome | 3 | 2005 | 1999 |
Mallard Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.