Tennessee · Year-round resident

Brown-headed Cowbirds in Tennessee

When cowbirds are present in Tennessee, when they nest, which native Tennessee plants feed them, and how to host them in a USDA 6a–8a yard.

Blackbirds (Icteridae)Brown-headed CowbirdMolothrus ater
Status in Tennessee
Year-round resident
Nesting window
April–July
Broods
—
Hardiness zones
USDA 6a–8a

When to expect cowbirds in Tennessee

Brown-headed Cowbirds live in Tennessee all year. Moderate winters; high elevations in the Smokies hold northern species year-round. That makes the cold months the time your yard matters most to them.

Humid subtropical, from the Great Smoky Mountains to the Mississippi River floodplain.

Nesting in Tennessee

Across Tennessee, cowbirds typically nest from April–July. Plan around that window: March for setup, July for clean-out.

Hot, humid summers in the valleys.

  • Brown-headed Cowbirds don't use nest boxes. Keep dense native shrubs and trees such as sugar maple, red maple for nest sites.
  • Delay heavy pruning of shrubs until after July.

Native Tennessee plants that attract cowbirds

Of the regional native plants we track for Tennessee, these 8 provide food or cover cowbirds use:

Wild bergamot
Monarda fistulosa · Perennial

Tubular flowers for hummingbirds and seed heads for finches.

Purple coneflower
Echinacea purpurea · Perennial

Leave seed heads up through winter for goldfinches.

Black-eyed Susan
Rudbeckia hirta · Perennial

Prolific seed heads for finches and sparrows.

New England aster
Symphyotrichum novae-angliae · Perennial

Late nectar for insects and fall seed for sparrows.

Little bluestem
Schizachyrium scoparium · Perennial

Native bunchgrass; winter seed and ground cover for sparrows and juncos.

Tall goldenrod
Solidago altissima · Perennial

Insect-rich in fall and seed in winter.

Sugar maple
Acer saccharum · Tree

Hosts hundreds of caterpillar species; spring flowers draw early insects.

Red maple
Acer rubrum · Tree

Among the first spring bloomers; early insects for returning migrants.

Feeding cowbirds through the Tennessee year

  • Top foods: Millet, Cracked corn.
  • In Tennessee's winter: Moderate winters; high elevations in the Smokies hold northern species year-round.

Full diet breakdown for cowbirds · Best feeder for cowbirds

Frequently asked

Are cowbirds in Tennessee year-round?

Yes. Brown-headed Cowbirds are year-round residents in Tennessee.

When do cowbirds nest in Tennessee?

Nesting in Tennessee typically runs April–July, with —. Clutches are up to 36 eggs per season, one per host nest, incubated for 10–12 days.

What native plants attract cowbirds in Tennessee?

Wild bergamot, Purple coneflower, Black-eyed Susan, New England aster, Little bluestem, Tall goldenrod, Sugar maple, Red maple are native plants in Tennessee that provide food or cover for cowbirds.

Brown-headed Cowbirds in other regions

Other backyard birds in Tennessee

Northern CardinalEastern BluebirdCarolina ChickadeePurple MartinDowny WoodpeckerHairy WoodpeckerAmerican GoldfinchTufted TitmouseWhite-breasted NuthatchBlue JayHouse FinchPurple FinchRuby-throated HummingbirdCarolina WrenMourning DoveAmerican RobinDark-eyed JuncoWhite-throated SparrowSong SparrowChipping SparrowRed-bellied WoodpeckerNorthern FlickerPileated WoodpeckerRed-headed WoodpeckerYellow-bellied SapsuckerRed-breasted NuthatchBrown-headed NuthatchBrown CreeperCommon GrackleRed-winged BlackbirdBaltimore OrioleOrchard OrioleRose-breasted GrosbeakPine SiskinIndigo BuntingEastern TowheeGray CatbirdNorthern MockingbirdBrown ThrasherCedar WaxwingTree SwallowBarn SwallowEastern PhoebeChimney SwiftYellow-rumped WarblerPine WarblerEastern Screech-OwlWood ThrushGreat Crested FlycatcherEastern KingbirdAmerican Tree SparrowHouse SparrowEuropean StarlingWhite-crowned SparrowFox SparrowEurasian Collared-DoveAmerican CrowCommon RavenCooper's HawkSharp-shinned HawkRed-tailed HawkBarred OwlGreat Horned OwlAmerican KestrelWood DuckWild TurkeyNorthern BobwhiteMallardGreat Blue HeronBelted KingfisherScarlet TanagerEastern MeadowlarkRuby-crowned KingletGolden-crowned KingletHermit ThrushWinter WrenRed CrossbillField SparrowGray CatbirdLark SparrowHooded MerganserYellow WarblerCommon YellowthroatAmerican RedstartBlack-and-white WarblerYellow-throated WarblerProthonotary WarblerOvenbirdYellow-breasted ChatOrange-crowned WarblerPalm WarblerRed-eyed VireoWarbling VireoWhite-eyed VireoEastern Wood-PeweeCliff SwallowNorthern Rough-winged SwallowBank SwallowCommon NighthawkEastern Whip-poor-willCanada GooseAmerican CootKilldeerSpotted SandpiperAmerican WoodcockGreen HeronGreat EgretBlack-crowned Night HeronTurkey VultureBlack VultureOspreyBald EagleRed-shouldered HawkMerlinPeregrine FalconNorthern Saw-whet OwlBarn OwlSavannah SparrowSwamp SparrowVesper SparrowHorned LarkBlue GrosbeakWhite-winged CrossbillBrown-headed NuthatchYellow-billed CuckooBrewer's BlackbirdRusty BlackbirdRock Pigeon

Sources

  1. Brown-headed Cowbird — All About Birds, Cornell Lab of Ornithology
  2. Brown-headed Cowbird life history — Cornell Lab of Ornithology
  3. Brown-headed Cowbird — Audubon Guide to North American Birds
  4. eBird region overview and bar charts — Tennessee
  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.