Northern Rough-winged Swallows in Wisconsin
When northern rough-winged swallows 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
- Summer breeder
- Nesting window
- May–July
- Broods
- 1–2 per season
- Hardiness zones
- USDA 3b–6a
When to expect northern rough-winged swallows in Wisconsin
Northern Rough-winged Swallows are summer residents in Wisconsin, arriving shortly before nesting begins in May and leaving after the young are independent.
Humid continental, with two Great Lakes shorelines, northern forest and southern prairie-oak savanna.
Nesting in Wisconsin
Across Wisconsin, northern rough-winged swallows typically nest from May–July. Plan around that window: April for setup, July for clean-out.
Warm, humid summers.
- Northern Rough-winged Swallows don't use nest boxes. Keep dense native shrubs and trees such as serviceberry, white oak, bur oak for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Wisconsin plants that attract northern rough-winged swallows
Of the regional native plants we track for Wisconsin, these 8 provide food or cover northern rough-winged swallows use:
Early-summer berries arrive exactly when nestlings are being fed.
Acorns plus hundreds of caterpillar species for nestling food.
Drought-hardy prairie oak with large acorns and a heavy insect load.
Summer fruit and one of the top caterpillar host trees.
Late-summer berry clusters taken by over 40 bird species.
Lipid-rich red fruit fuels fall migrants.
Late nectar for insects and fall seed for sparrows.
Insect-rich in fall and seed in winter.
Feeding northern rough-winged swallows through the Wisconsin year
- Top foods: None — open water and earth banks are the draw.
- In Wisconsin's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for northern rough-winged swallows · Best feeder for northern rough-winged swallows
Frequently asked
Are northern rough-winged swallows in Wisconsin year-round?
No. Northern Rough-winged Swallows are summer breeders in Wisconsin and leave for the winter.
When do northern rough-winged swallows nest in Wisconsin?
Nesting in Wisconsin typically runs May–July, with 1–2 per season. Clutches are 4–8 eggs, incubated for 12–16 days.
What native plants attract northern rough-winged swallows in Wisconsin?
Serviceberry, White oak, Bur oak, Black cherry, American elderberry, Spicebush, New England aster, Tall goldenrod are native plants in Wisconsin that provide food or cover for northern rough-winged swallows.
Northern Rough-winged Swallows in other regions
Other backyard birds in Wisconsin
Sources
- Northern Rough-winged Swallow — All About Birds, Cornell Lab of Ornithology
- Northern Rough-winged Swallow life history — Cornell Lab of Ornithology
- Northern Rough-winged Swallow — 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.