Red-shouldered Hawks in Iowa
When red-shouldered hawks are present in Iowa, when they nest, which native Iowa plants feed them, and how to host them in a USDA 4b–6a yard.
- Status in Iowa
- Year-round resident
- Nesting window
- March–June
- Broods
- 1 per season
- Hardiness zones
- USDA 4b–6a
When to expect red-shouldered hawks in Iowa
Red-shouldered Hawks live in Iowa all year. Cold, windy winters; open farmland makes backyard shelter and feeders a lifeline. That makes the cold months the time your yard matters most to them.
Humid continental prairie state, with loess hills in the west and the Driftless Area in the northeast.
Nesting in Iowa
Across Iowa, red-shouldered hawks typically nest from March–June. Plan around that window: February for setup, June for clean-out.
Hot, humid summers with thunderstorms.
- Red-shouldered Hawks 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 Iowa plants that attract red-shouldered hawks
Of the regional native plants we track for Iowa, these 8 provide food or cover red-shouldered hawks 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 red-shouldered hawks through the Iowa year
- Top foods: None — wet woodland is the habitat.
- In Iowa's winter: Cold, windy winters; open farmland makes backyard shelter and feeders a lifeline.
Full diet breakdown for red-shouldered hawks · Best feeder for red-shouldered hawks
Frequently asked
Are red-shouldered hawks in Iowa year-round?
Yes. Red-shouldered Hawks are year-round residents in Iowa.
When do red-shouldered hawks nest in Iowa?
Nesting in Iowa typically runs March–June, with 1 per season. Clutches are 2–5 eggs, incubated for 32–40 days.
What native plants attract red-shouldered hawks in Iowa?
Serviceberry, White oak, Bur oak, Black cherry, American elderberry, Spicebush, New England aster, Tall goldenrod are native plants in Iowa that provide food or cover for red-shouldered hawks.
Red-shouldered Hawks in other regions
Other backyard birds in Iowa
Sources
- Red-shouldered Hawk — All About Birds, Cornell Lab of Ornithology
- Red-shouldered Hawk life history — Cornell Lab of Ornithology
- Red-shouldered Hawk — Audubon Guide to North American Birds
- eBird region overview and bar charts — Iowa
- 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.