Iowa · Year-round resident

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.

Hawks and eagles (Accipitridae)Red-shouldered HawkButeo lineatus
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:

Serviceberry
Amelanchier arborea · Tree

Early-summer berries arrive exactly when nestlings are being fed.

White oak
Quercus alba · Tree

Acorns plus hundreds of caterpillar species for nestling food.

Bur oak
Quercus macrocarpa · Tree

Drought-hardy prairie oak with large acorns and a heavy insect load.

Black cherry
Prunus serotina · Tree

Summer fruit and one of the top caterpillar host trees.

American elderberry
Sambucus canadensis · Shrub

Late-summer berry clusters taken by over 40 bird species.

Spicebush
Lindera benzoin · Shrub

Lipid-rich red fruit fuels fall migrants.

New England aster
Symphyotrichum novae-angliae · Perennial

Late nectar for insects and fall seed for sparrows.

Tall goldenrod
Solidago altissima · Perennial

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

Northern CardinalEastern BluebirdBlack-capped ChickadeePurple MartinDowny WoodpeckerHairy WoodpeckerAmerican GoldfinchTufted TitmouseWhite-breasted NuthatchHouse WrenBlue JayHouse FinchPurple FinchRuby-throated HummingbirdCarolina WrenMourning DoveAmerican RobinDark-eyed JuncoWhite-throated SparrowSong SparrowChipping SparrowRed-bellied WoodpeckerNorthern FlickerPileated WoodpeckerRed-headed WoodpeckerRed-breasted NuthatchBrown CreeperCommon GrackleRed-winged BlackbirdBaltimore OrioleOrchard OrioleRose-breasted GrosbeakPine SiskinIndigo BuntingEastern TowheeGray CatbirdBrown ThrasherCedar WaxwingTree SwallowBarn SwallowEastern PhoebeChimney SwiftEastern Screech-OwlWood ThrushGreat Crested FlycatcherEastern KingbirdAmerican Tree SparrowHouse SparrowEuropean StarlingWhite-crowned SparrowEurasian Collared-DoveAmerican CrowCooper's HawkSharp-shinned HawkRed-tailed HawkBarred OwlGreat Horned OwlAmerican KestrelWood DuckWild TurkeyNorthern BobwhiteMallardGreat Blue HeronBelted KingfisherScarlet TanagerEastern MeadowlarkBrown-headed CowbirdGolden-crowned KingletWinter WrenPine GrosbeakRed CrossbillField SparrowGray CatbirdLark SparrowHooded MerganserYellow WarblerCommon YellowthroatAmerican RedstartBlack-and-white WarblerYellow-throated WarblerProthonotary WarblerOvenbirdYellow-breasted ChatRed-eyed VireoWarbling VireoWhite-eyed VireoEastern Wood-PeweeLeast FlycatcherCliff SwallowNorthern Rough-winged SwallowBank SwallowCommon NighthawkEastern Whip-poor-willCanada GooseAmerican CootKilldeerSpotted SandpiperAmerican WoodcockGreen HeronGreat EgretBlack-crowned Night HeronTurkey VultureOspreyBald EagleMerlinPeregrine FalconNorthern Saw-whet OwlSavannah SparrowSwamp SparrowHarris's SparrowVesper SparrowSnow BuntingLapland LongspurHorned LarkDickcisselBlue GrosbeakHoary RedpollWhite-winged CrossbillBohemian WaxwingYellow-billed CuckooBobolinkYellow-headed BlackbirdBrewer's BlackbirdGreat-tailed GrackleRock PigeonEurasian Tree Sparrow

Sources

  1. Red-shouldered Hawk — All About Birds, Cornell Lab of Ornithology
  2. Red-shouldered Hawk life history — Cornell Lab of Ornithology
  3. Red-shouldered Hawk — Audubon Guide to North American Birds
  4. eBird region overview and bar charts — Iowa
  5. USDA Plant Hardiness Zone Map (2023)
  6. 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.