Species · Louisiana · BBS 2025 Release · 1966–2024
Mallard Population Trend in Louisiana
Mallard in Louisiana has declined: down 39% on the route-weighted index since 1989.
-39%Since 1989
20Routes In State
26Years
Notable Mallard Trends in Louisiana
No notable trend signals for Mallard in Louisiana. See the full index history below.
Mallard Population Forecast in Louisiana
If the recent trend holds, Mallard in Louisiana is projected to stay roughly flat through 2026, near 0.13 (95% range 0.00–0.51). A 5-year backtest shows a typical error of ±126.8%, with 80% of held-out values landing inside the 95% band.
n/aChange by 2026
0.13Projected 2026 index
0.00–0.5195% range
±126.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2022 | 0.14 | 0.00 | 0.51 |
| 2023 | 0.14 | 0.00 | 0.51 |
| 2024 | 0.13 | 0.00 | 0.51 |
| 2025 | 0.13 | 0.00 | 0.51 |
| 2026 | 0.13 | 0.00 | 0.51 |
Mallard Survey Routes in Louisiana
| Glencoe | 20 | 2017 | 2010 |
| Natchitoches | 11 | 1989 | 1987 |
| Richard | 8 | 2010 | 2010 |
| Mayflower | 7 | 1989 | 1975 |
| Shaw | 6 | 1996 | 1990 |
| Cypress | 6 | 1987 | 1987 |
| Brousville | 5 | 2012 | 2010 |
| Pearl River | 4 | 2015 | 2015 |
| Bickham | 3 | 2013 | 1994 |
| River Road | 2 | 2017 | 2017 |
| Roseland | 2 | 2008 | 2008 |
| Baton Rouge | 2 | 2021 | 2000 |
| Franklinton | 2 | 2016 | 2016 |
| Floyd | 2 | 1991 | 1991 |
| Zwolle | 2 | 2012 | 1998 |
| Transylvania | 2 | 2000 | 1999 |
| Natchez | 2 | 1996 | 1996 |
| Longstreet | 1 | 2010 | 2010 |
| Maurice | 1 | 2001 | 1999 |
| Woodlawn | 1 | 2017 | 2017 |
Mallard Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.