American Crows in Iowa
When American 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 American in Iowa
American Crows 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, American typically nest from March–June. Plan around that window: February for setup, June for clean-out.
Hot, humid summers with thunderstorms.
- American Crows 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 American
Of the regional native plants we track for Iowa, these 8 provide food or cover American 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.
Tubular flowers for hummingbirds and seed heads for finches.
Leave seed heads up through winter for goldfinches.
Feeding American through the Iowa year
- Top foods: Cracked corn, Peanuts in the shell.
- In Iowa's winter: Cold, windy winters; open farmland makes backyard shelter and feeders a lifeline.
Frequently asked
Are American in Iowa year-round?
Yes. American Crows are year-round residents in Iowa.
When do American nest in Iowa?
Nesting in Iowa typically runs March–June, with 1 per season. Clutches are 3–9 eggs, incubated for 17–21 days.
What native plants attract American in Iowa?
Serviceberry, White oak, Bur oak, Black cherry, American elderberry, Spicebush, Wild bergamot, Purple coneflower are native plants in Iowa that provide food or cover for American.
American Crows in other regions
Other backyard birds in Iowa
Sources
- American Crow — All About Birds, Cornell Lab of Ornithology
- American Crow life history — Cornell Lab of Ornithology
- American Crow — 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.