Peregrine Falcons in Wisconsin
When peregrine falcons 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 peregrine falcons in Wisconsin
Peregrine Falcons 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, peregrine falcons typically nest from April–June. Plan around that window: March for setup, June for clean-out.
Warm, humid summers.
- Peregrine Falcons 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 June.
Native Wisconsin plants that attract peregrine falcons
Of the regional native plants we track for Wisconsin, these 8 provide food or cover peregrine falcons 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 peregrine falcons through the Wisconsin year
- Top foods: None — a city ledge or cliff is the habitat.
- In Wisconsin's winter: Cold, snowy winters; boreal finches visit the north.
Full diet breakdown for peregrine falcons · Best feeder for peregrine falcons
Frequently asked
Are peregrine falcons in Wisconsin year-round?
Yes. Peregrine Falcons are year-round residents in Wisconsin.
When do peregrine falcons nest in Wisconsin?
Nesting in Wisconsin typically runs April–June, with 1 per season. Clutches are 2–5 eggs, incubated for 33–35 days.
What native plants attract peregrine falcons 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 peregrine falcons.
Peregrine Falcons in other regions
Other backyard birds in Wisconsin
Sources
- Peregrine Falcon — All About Birds, Cornell Lab of Ornithology
- Peregrine Falcon life history — Cornell Lab of Ornithology
- Peregrine Falcon — 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.