Species · North Carolina · BBS 2025 Release · 1966–2024
Mallard Population Trend in North Carolina
Mallard in North Carolina has surged: up 101% on the route-weighted index since 1978.
+101%Since 1978
67Routes In State
44Years
Notable Mallard Trends in North Carolina
long arc increasecomputed index
Mallard has surged in North Carolina: up 100% on the route-weighted index since 1978.
Mallard Population Forecast in North Carolina
If the recent trend holds, Mallard in North Carolina is projected to rise about 65% by 2029 — from 0.31 in 2024 to a central estimate of 0.52 (95% range 0.18–0.86). A 5-year backtest shows a typical error of ±73.7%, with 100% of held-out values landing inside the 95% band.
+65%Change by 2029
0.52Projected 2029 index
0.18–0.8695% range
±73.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.49 | 0.15 | 0.83 |
| 2026 | 0.50 | 0.16 | 0.84 |
| 2027 | 0.50 | 0.17 | 0.84 |
| 2028 | 0.51 | 0.17 | 0.85 |
| 2029 | 0.52 | 0.18 | 0.86 |
Mallard Survey Routes in North Carolina
| Mattamuskeet | 14 | 2007 | 1999 |
| Myrtle Grove | 10 | 2024 | 2005 |
| Copeland | 10 | 2017 | 2004 |
| Mooresville | 8 | 1995 | 1981 |
| Brevard | 6 | 2018 | 1979 |
| Old Trap | 5 | 2023 | 2010 |
| Congleton | 4 | 2022 | 2001 |
| Jarvisburg 2 | 4 | 2021 | 2001 |
| Cypress Cr | 4 | 2006 | 2005 |
| Hertford | 4 | 2024 | 1999 |
| Waco | 4 | 2016 | 1994 |
| Merrimon | 3 | 2019 | 1977 |
| Kinston | 3 | 2010 | 1977 |
| Newport | 3 | 2010 | 2001 |
| Dortches | 3 | 2023 | 1998 |
| Supply | 3 | 2015 | 2004 |
| Broad Creek | 2 | 2009 | 2009 |
| Speed | 2 | 2023 | 1993 |
| Jordan | 2 | 1990 | 1990 |
| Saxapahaw | 2 | 2017 | 1987 |
| Washington | 2 | 2015 | 2006 |
| Cayton | 2 | 2022 | 2022 |
| Siloam | 2 | 2011 | 2005 |
| French Broad River | 2 | 2012 | 2008 |
| Jones Corner | 2 | 2004 | 2004 |
Mallard Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.