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.
- 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:
Tubular flowers for hummingbirds and seed heads for finches.
Leave seed heads up through winter for goldfinches.
Prolific seed heads for finches and sparrows.
Late nectar for insects and fall seed for sparrows.
Native bunchgrass; winter seed and ground cover for sparrows and juncos.
Insect-rich in fall and seed in winter.
Hosts hundreds of caterpillar species; spring flowers draw early insects.
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.
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
Sources
- Brown-headed Cowbird — All About Birds, Cornell Lab of Ornithology
- Brown-headed Cowbird life history — Cornell Lab of Ornithology
- Brown-headed Cowbird — Audubon Guide to North American Birds
- eBird region overview and bar charts — Tennessee
- 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.