Bird
Brown-headed Cowbird
Molothrus ater
Lives in North Carolina all year and nests here. Found in all 100 counties, across 8 habitats.
- Here
- All year
- Nesting
- Nests here
- Range
- All 100 counties
- Habitats
- 8

At a glance
- Group
- Birds
- Here
- All year
- Nesting
- Nests here
- Range
- All 100 counties
- Habitats
- 8
- Habitat models
- Year-round
Where it lives
The places its habitat model includes. It is not found everywhere a habitat occurs.
Habitats in North Carolina 8
Each habitat page lists the plants and wildlife also found there.
Floodplain and bottomland forests

Roadsides, fields and disturbed ground

Streams, rivers and their banks

Disturbed and introduced wetlands
Wet ground taken over by weedy or introduced plants after disturbance, such as common reed, Chinese tallow or tamarisk stands; the upland counterpart is roadsides, fields and disturbed ground.
Forests and open woodlands on dry ridges and slopes, often oak or pine.
Borders of forests, clearings and shrubby thickets.
Forests between dry and moist, often oak-hickory on slopes.
Tree plantations and managed pine
Planted or intensively managed stands of pine or hardwoods grown for timber; a land use rather than a natural community.
Other habitats in its models (48)
Land cover, or classes with no habitat page in North Carolina. Those recorded in North Carolina first, the rest by region.
In North Carolina 1
- Southern Piedmont Glade and Barrens Year-round.
Elsewhere in the South (19)
- Central Interior Highlands Calcareous Glade and Barrens Year-round.
- Central Interior Highlands Dry Acidic Glade and Barrens Year-round.
- Cumberland Sandstone Glade and Barrens Year-round.
- East Gulf Coastal Plain Limestone Forest Year-round.
- East Gulf Coastal Plain Small Stream and River Floodplain Forest Year-round.
- Florida Dry Prairie Year-round.
- Florida Peninsula Inland Scrub Year-round.
- Mississippi River Low Floodplain (Bottomland) Forest Year-round.
- Mississippi River Riparian Forest Year-round.
- Nashville Basin Limestone Glade Year-round.
- Ozark-Ouachita Riparian Year-round.
- Red River Large Floodplain Forest Year-round.
- Ridge and Valley Calcareous Valley Bottom Glade and Woodland Year-round.
- South Florida Hardwood Hammock Year-round.
- South-Central Interior Mesophytic Forest Year-round.
- Southern Coastal Plain Blackwater River Floodplain Forest Year-round.
- Southern Coastal Plain Dry Upland Hardwood Forest Year-round.
- Southern Interior Low Plateau Dry-Mesic Oak Forest Year-round.
- Western Great Plains Mesquite Woodland and Shrubland Year-round.
Northeast (1)
- Central Appalachian Pine-Oak Rocky Woodland Year-round.
Midwest (2)
- Central Mixedgrass Prairie Year-round.
- North-Central Oak Barrens Year-round.
Land cover and other classes (25)
- Allegheny-Cumberland Dry Oak Forest and Woodland - Hardwood Year-round.
- Developed, Low Intensity Year-round.
- East Gulf Coastal Plain Black Belt Calcareous Prairie and Woodland - Herbaceous Modifier Year-round.
- East Gulf Coastal Plain Black Belt Calcareous Prairie and Woodland - Woodland Modifier Year-round.
- East Gulf Coastal Plain Jackson Prairie and Woodland Year-round.
- East Gulf Coastal Plain Large River Floodplain Forest - Forest Modifier Year-round.
- East Gulf Coastal Plain Large River Floodplain Forest - Herbaceous Modifier Year-round.
- Eastern Great Plains Floodplain Systems Year-round.
- Eastern Highland Rim Prairie and Barrens - Dry Modifier Year-round.
- Harvested Forest - Grass/Forb Regeneration Year-round.
- Introduced Upland Vegetation - Annual Grassland Year-round.
- Introduced Upland Vegetation - Forbland Year-round.
- Introduced Upland Vegetation - Perennial Grassland Year-round.
- Introduced Upland Vegetation - Perennial Grassland and Forbland Year-round.
- Introduced Upland Vegetation - Shrub Year-round.
- Lower Mississippi River Bottomland Depressions - Forest Modifier Year-round.
- Mississippi River Floodplain and Riparian Forest Year-round.
- Orchards Vineyards and Other High Structure Agriculture Year-round.
- Recently Burned Year-round.
- Recently Burned Forest Year-round.
- Recently Burned Grassland Year-round.
- Recently Burned Shrubland Year-round.
- Recently Logged Areas Year-round.
- South-Central Interior Large Floodplain - Herbaceous Modifier Year-round.
- Western Great Plains Floodplain Systems Year-round.
Seasons in North Carolina
- Year-round: nests here, in all 100 counties.
Food plants
Diet records by plant genus, from studies across North America. Not a record from this state. Plants matched by genus.
Native plants in these genera 284
- Carolina FoxtailAlopecurus carolinianus
- Common RagweedAmbrosia artemisiifolia
- Giant RagweedAmbrosia trifida
- Lanceleaf RagweedAmbrosia bidentata
- Perennial RagweedAmbrosia psilostachya
- Fogg's GoosefootChenopodium foggii
- Saltmarsh Water-hempAmaranthus cannabinus
- Seabeach AmaranthAmaranthus pumilus
- Smooth PigweedAmaranthus hybridus
- Woodland SunflowerHelianthus divaricatus
- Paleleaf SunflowerHelianthus strumosus
- Smith's SunflowerHelianthus smithiorum
- Waccamaw SunflowerHelianthus waccamawensis
- Giant SunflowerHelianthus giganteus
- Hairy SunflowerHelianthus hirsutus
- Narrowleaf SunflowerHelianthus angustifolius
- Purpledisk SunflowerHelianthus atrorubens
- Resindot SunflowerHelianthus resinosus
- Schweinitz's SunflowerHelianthus schweinitzii
- Small Wood SunflowerHelianthus microcephalus
- Smooth SunflowerHelianthus laevigatus
- Thinleaf SunflowerHelianthus decapetalus
- Variableleaf SunflowerHelianthus heterophyllus
- Western SunflowerHelianthus occidentalis
Plant genera in its diet records (31)
- Sorghum 12 diet records. 0 native plants in North Carolina
- Zea 6 diet records. 0 native plants in North Carolina
- Alopecurus 5 diet records. 1 native plant in North Carolina
- Ambrosia 5 diet records. 4 native plants in North Carolina
- Chenopodium 5 diet records. 1 native plant in North Carolina
- Murdannia 5 diet records. 0 native plants in North Carolina
- Amaranthus 4 diet records. 3 native plants in North Carolina
- Helianthus 4 diet records. 16 native plants in North Carolina
- Paspalum 4 diet records. 11 native plants in North Carolina
- Panicum 3 diet records. 5 native plants in North Carolina
- Avena 2 diet records. 0 native plants in North Carolina
- Digitaria 2 diet records. 3 native plants in North Carolina
- Eleusine 2 diet records. 0 native plants in North Carolina
- Polygonum 2 diet records. 5 native plants in North Carolina
- Setaria 2 diet records. 3 native plants in North Carolina
- Sporobolus 2 diet records. 8 native plants in North Carolina
- Triticum 2 diet records. 0 native plants in North Carolina
- Acalypha 1 diet record. 3 native plants in North Carolina
- Andropogon 1 diet record. 11 native plants in North Carolina
- Barbarea 1 diet record. 0 native plants in North Carolina
- Carex 1 diet record. 148 native plants in North Carolina
- Cyperus 1 diet record. 35 native plants in North Carolina
- Echinochloa 1 diet record. 2 native plants in North Carolina
- Hedeoma 1 diet record. 1 native plant in North Carolina
- Lespedeza 1 diet record. 9 native plants in North Carolina
- Oryza 1 diet record. 0 native plants in North Carolina
- Scirpus 1 diet record. 10 native plants in North Carolina
- Secale 1 diet record. 0 native plants in North Carolina
- Solanum 1 diet record. 2 native plants in North Carolina
- Vitis 1 diet record. 2 native plants in North Carolina
- Xanthium 1 diet record. 1 native plant in North Carolina
Also found in its main habitats
Its main habitats in North Carolina, by how much of its habitat model each one is, with the birds most characteristic of each and the plants that grow wild there. Shared habitat, not food.
Floodplain and bottomland forests
Birds 70
- Lincoln's SparrowMelospiza lincolnii
- Brewer's BlackbirdEuphagus cyanocephalus
- Willow FlycatcherEmpidonax traillii
- AnhingaAnhinga anhinga
- Louisiana WaterthrushSeiurus motacilla
- Northern WaterthrushSeiurus noveboracensis
- Yellow-throated WarblerDendroica dominica
- Black-throated Blue WarblerDendroica caerulescens
- Cerulean WarblerDendroica cerulea
- Glossy IbisPlegadis falcinellus
- Great CormorantPhalacrocorax carbo
- OvenbirdSeiurus aurocapilla
Plants 367
- Elliott's BlueberryVaccinium elliottii
- Possumhaw HollyIlex decidua
- Cherrybark OakQuercus pagoda
- Shagbark HickoryCarya ovata
- Southern Shagbark HickoryCarya carolinae-septentrionalis
- Wolf's BluegrassPoa wolfii
- Spreading SedgeCarex laxiculmis
- Blunt Broom SedgeCarex tribuloides
- Louisiana SedgeCarex louisianica
- Smooth Hedge-nettleStachys tenuifolia
- Woodland SpurgeEuphorbia obtusata
- Common Cup-plantSilphium perfoliatum
Roadsides, fields and disturbed ground
Birds 89
- Cape May WarblerDendroica tigrina
- House SparrowPasser domesticus
- Monk ParakeetMyiopsitta monachus
- Upland SandpiperBartramia longicauda
- DickcisselSpiza americana
- Grasshopper SparrowAmmodramus savannarum
- Rock PigeonColumba livia
- BobolinkDolichonyx oryzivorus
- Horned LarkEremophila alpestris
- House FinchCarpodacus mexicanus
- Vesper SparrowPooecetes gramineus
- Yellow-throated VireoVireo flavifrons
Plants 1314
- Crooked-stem AsterSymphyotrichum prenanthoides
- Canada LettuceLactuca canadensis
- Common HorseweedErigeron canadensis
- Annual FleabaneErigeron annuus
- Oakleaf FleabaneErigeron quercifolius
- Dog-fennelEupatorium capillifolium
- Ivyleaf Morning-gloryIpomoea hederacea
- Carolina Crane's-billGeranium carolinianum
- Common Evening-primroseOenothera biennis
- Cutleaf Evening-primroseOenothera laciniata
- Northern Evening-primroseOenothera parviflora
- Downy Ground-cherryPhysalis pubescens
All of roadsides, fields and disturbed ground in North Carolina
Forest edges and thickets
Birds 40
- House FinchCarpodacus mexicanus
- Vesper SparrowPooecetes gramineus
- Wilson's WarblerWilsonia pusilla
- Field SparrowSpizella pusilla
- Barn SwallowHirundo rustica
- Loggerhead ShrikeLanius ludovicianus
- Willow FlycatcherEmpidonax traillii
- Eastern BluebirdSialia sialis
- Yellow-throated WarblerDendroica dominica
- Black-throated Blue WarblerDendroica caerulescens
- Northern BobwhiteColinus virginianus
- White-crowned SparrowZonotrichia leucophrys
Plants 231
- Bristly BlackberryRubus setosus
- Tall LarkspurDelphinium exaltatum
- Canada PlumPrunus nigra
- Fire CherryPrunus pensylvanica
- Giant SunflowerHelianthus giganteus
- Gray DogwoodSwida racemosa
- Roughleaf DogwoodSwida asperifolia
- Southern DewberryRubus trivialis
- Sawtooth BlackberryRubus argutus
- Buffalo CloverTrifolium reflexum
- Cutleaf GoldenrodSolidago arguta
- Hairy LettuceLactuca hirsuta
Sources
- USGS Gap Analysis Project habitat models (2001)
- USGS GAP year-round habitat model for Brown-headed Cowbird Elevation sea level to 1,066 m
- USGS Gap Analysis Project range maps (2001), modeled by watershed; migratory gives no dates
- NatureServe Explorer (CC BY 4.0), habitat names
- US Census TIGER/Line counties
- Names follow the USGS Gap Analysis Project (2001)
- Avian Diet Database (Hurlbert Lab) (CC0 1.0), diet records by plant genus

















































































