Mallards in Wisconsin
When mallards are present in Wisconsin, when they nest, which native Wisconsin plants feed them, and how to host them in a USDA 3b–6a yard.
- Status in Wisconsin
- Year-round resident
- Nesting window
- April–June
- Broods
- 1 per season
- Hardiness zones
- USDA 3b–6a
When to expect mallards in Wisconsin
Mallards live in Wisconsin all year. Cold, snowy winters; boreal finches visit the north. That makes the cold months the time your yard matters most to them.
Humid continental, with two Great Lakes shorelines, northern forest and southern prairie-oak savanna.
Nesting in Wisconsin
Across Wisconsin, mallards typically nest from April–June. Plan around that window: March for setup, June for clean-out.
Warm, humid summers.
- Mallards don't use nest boxes. Keep dense native shrubs and trees such as paper birch for nest sites.
- Delay heavy pruning of shrubs until after June.
Native Wisconsin plants that attract mallards
Of the regional native plants we track for Wisconsin, these 8 provide food or cover mallards use:
Tubular flowers for hummingbirds and seed heads for finches.
Leave seed heads up through winter for goldfinches.
Prolific seed heads for finches and sparrows.
Annual native sunflower — the original feeder seed.
Late nectar for insects and fall seed for sparrows.
Native bunchgrass; winter seed and ground cover for sparrows and juncos.
Insect-rich in fall and seed in winter.
Catkin seed feeds redpolls and siskins all winter.
Feeding mallards through the Wisconsin year
- Top foods: Cracked corn, Duck pellets.
- In Wisconsin's winter: Cold, snowy winters; boreal finches visit the north.
Frequently asked
Are mallards in Wisconsin year-round?
Yes. Mallards are year-round residents in Wisconsin.
When do mallards nest in Wisconsin?
Nesting in Wisconsin typically runs April–June, with 1 per season. Clutches are 1–13 eggs, incubated for 23–30 days.
What native plants attract mallards in Wisconsin?
Wild bergamot, Purple coneflower, Black-eyed Susan, Common sunflower, New England aster, Little bluestem, Tall goldenrod, Paper birch are native plants in Wisconsin that provide food or cover for mallards.
Mallards in other regions
Other backyard birds in Wisconsin
Sources
- Mallard — All About Birds, Cornell Lab of Ornithology
- Mallard life history — Cornell Lab of Ornithology
- Mallard — Audubon Guide to North American Birds
- eBird region overview and bar charts — Wisconsin
- USDA Plant Hardiness Zone Map (2023)
- Audubon Native Plants Database
Timing reflects typical patterns for the region as a whole; local dates vary with elevation and year. Check the linked eBird bar charts for your county.