Bird
Brown-headed Cowbird
Molothrus ater
Lives in Florida all year and nests here. Found in all 67 counties, across 9 habitats.
- Here
- All year
- Nesting
- Nests here
- Range
- All 67 counties
- Habitats
- 9

At a glance
- Group
- Birds
- Here
- All year
- Nesting
- Nests here
- Range
- All 67 counties
- Habitats
- 9
- Habitat models
- Year-round
Where it lives
The places its habitat model includes. It is not found everywhere a habitat occurs.
Habitats in Florida 9
Each habitat page lists the plants and wildlife also found there.

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.
Floodplain and bottomland forests
Forests on low ground beside rivers and streams that flood from time to time.
Evergreen scrub oaks, sand pine and rosemary on deep, white, drought-prone sand ridges, burned rarely but intensely; distinct from the longleaf and turkey oak sandhills.
Borders of forests, clearings and shrubby thickets.
Open, grass-dominated places kept open by fire, grazing or thin soil, from tallgrass prairie to Piedmont prairies.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
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 (51)
Land cover, or classes with no habitat page in Florida. Those recorded in Florida first, the rest by region.
Elsewhere in the South (20)
- Atlantic Coastal Plain Brownwater Stream Floodplain Forest Year-round.
- Atlantic Coastal Plain Dry and Dry-Mesic Oak Forest Year-round.
- Atlantic Coastal Plain Small Brownwater River Floodplain Forest Year-round.
- 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.
- 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-Central Interior Large Floodplain Year-round.
- South-Central Interior Mesophytic Forest Year-round.
- South-Central Interior Small Stream and Riparian Year-round.
- Southern Interior Low Plateau Dry-Mesic Oak Forest Year-round.
- Southern Piedmont Glade and Barrens Year-round.
- Southern Piedmont Small Floodplain and Riparian 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 (28)
- Allegheny-Cumberland Dry Oak Forest and Woodland - Hardwood Year-round.
- Central Interior and Appalachian Floodplain Systems Year-round.
- Central Interior and Appalachian Riparian Systems 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 - 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 - Forest Modifier Year-round.
- South-Central Interior Large Floodplain - Herbaceous Modifier Year-round.
- Southern Piedmont Large Floodplain Forest - Forest Modifier Year-round.
- Western Great Plains Floodplain Systems Year-round.
Seasons in Florida
- Year-round: does not nest here, in 30 of 67 counties.
- Year-round: nests here, in 45 of 67 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 242
- Carolina FoxtailAlopecurus carolinianus
- Coastal RagweedAmbrosia hispida
- Common RagweedAmbrosia artemisiifolia
- Giant RagweedAmbrosia trifida
- Perennial RagweedAmbrosia psilostachya
- Pitseeded GoosefootChenopodium berlandieri
- Florida AmaranthAmaranthus floridanus
- Saltmarsh Water-hempAmaranthus cannabinus
- Southern Water-hempAmaranthus australis
- Helianthus agrestisHelianthus agrestis
- Helianthus debilis subsp. cucumerifoliusHelianthus debilis subsp. cucumerifolius
- Helianthus radulaHelianthus radula
- Lakeside SunflowerHelianthus carnosus
- Woodland SunflowerHelianthus divaricatus
- Paleleaf SunflowerHelianthus strumosus
- Hairy SunflowerHelianthus hirsutus
- Helianthus floridanusHelianthus floridanus
- Narrowleaf SunflowerHelianthus angustifolius
- Purpledisk SunflowerHelianthus atrorubens
- Resindot SunflowerHelianthus resinosus
- Small Wood SunflowerHelianthus microcephalus
- Variableleaf SunflowerHelianthus heterophyllus
- Western SunflowerHelianthus occidentalis
- Blue CrowngrassPaspalum caespitosum
Plant genera in its diet records (31)
- Sorghum 12 diet records. 0 native plants in Florida
- Zea 6 diet records. 0 native plants in Florida
- Alopecurus 5 diet records. 1 native plant in Florida
- Ambrosia 5 diet records. 4 native plants in Florida
- Chenopodium 5 diet records. 1 native plant in Florida
- Murdannia 5 diet records. 0 native plants in Florida
- Amaranthus 4 diet records. 3 native plants in Florida
- Helianthus 4 diet records. 14 native plants in Florida
- Paspalum 4 diet records. 19 native plants in Florida
- Panicum 3 diet records. 5 native plants in Florida
- Avena 2 diet records. 0 native plants in Florida
- Digitaria 2 diet records. 8 native plants in Florida
- Eleusine 2 diet records. 0 native plants in Florida
- Polygonum 2 diet records. 10 native plants in Florida
- Setaria 2 diet records. 4 native plants in Florida
- Sporobolus 2 diet records. 8 native plants in Florida
- Triticum 2 diet records. 0 native plants in Florida
- Acalypha 1 diet record. 4 native plants in Florida
- Andropogon 1 diet record. 16 native plants in Florida
- Barbarea 1 diet record. 0 native plants in Florida
- Carex 1 diet record. 77 native plants in Florida
- Cyperus 1 diet record. 37 native plants in Florida
- Echinochloa 1 diet record. 3 native plants in Florida
- Hedeoma 1 diet record. 1 native plant in Florida
- Lespedeza 1 diet record. 9 native plants in Florida
- Oryza 1 diet record. 0 native plants in Florida
- Scirpus 1 diet record. 4 native plants in Florida
- Secale 1 diet record. 0 native plants in Florida
- Solanum 1 diet record. 8 native plants in Florida
- Vitis 1 diet record. 6 native plants in Florida
- Xanthium 1 diet record. 0 native plants in Florida
Also found in its main habitats
Its main habitats in Florida, 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.
Roadsides, fields and disturbed ground
Birds 116
- House SparrowPasser domesticus
- Mitred ParakeetAratinga mitrata
- Monk ParakeetMyiopsitta monachus
- Upland SandpiperBartramia longicauda
- Rock PigeonColumba livia
- BobolinkDolichonyx oryzivorus
- DickcisselSpiza americana
- Western MeadowlarkSturnella neglecta
- Blue-winged WarblerVermivora pinus
- Golden-winged WarblerVermivora chrysoptera
- Horned LarkEremophila alpestris
- Rufous HummingbirdSelasphorus rufus
Plants 1524
- Whitestar Morning-gloryIpomoea leucantha
- Canada LettuceLactuca canadensis
- Common HorseweedErigeron canadensis
- Annual FleabaneErigeron annuus
- Oakleaf FleabaneErigeron quercifolius
- Dog-fennelEupatorium capillifolium
- Common Evening-primroseOenothera biennis
- Carolina Crane's-billGeranium carolinianum
- Cutleaf Evening-primroseOenothera laciniata
- Threadleaf SundropsOenothera linifolia
- Carolina HorsenettleSolanum carolinense var. carolinense
- Tooth Leaf Croton; Sand CrotonCroton glandulosus var. septentrionalis
Floodplain and bottomland forests
Birds 75
- Cerulean WarblerDendroica cerulea
- Red-breasted NuthatchSitta canadensis
- Black-throated Blue WarblerDendroica caerulescens
- Louisiana WaterthrushSeiurus motacilla
- Northern Saw-whet OwlAegolius acadicus
- Swainson's WarblerLimnothlypis swainsonii
- Worm-eating WarblerHelmitheros vermivorum
- Kentucky WarblerOporornis formosus
- Scarlet TanagerPiranga olivacea
- American WoodcockScolopax minor
- Wilson's WarblerWilsonia pusilla
- Yellow-throated WarblerDendroica dominica
Plants 286
- Elliott's BlueberryVaccinium elliottii
- White Panicled Aster; Eastern Lined AsterSymphyotrichum lanceolatum var. latifolium
- Possumhaw HollyIlex decidua
- Cherrybark OakQuercus pagoda
- Swamp Post OakQuercus similis
- Spruce Pine; Walters Pine; Cedar PinePinus glabra
- Blunt Broom SedgeCarex tribuloides
- Louisiana SedgeCarex louisianica
- Heartleaf NettleUrtica chamaedryoides
- Arnoglossum sulcatumArnoglossum sulcatum
- Gulf Sebastian-bushDitrysinia fruticosa
- American BladdernutStaphylea trifolia
Forest edges and thickets
Birds 64
- VeeryCatharus fuscescens
- Willow FlycatcherEmpidonax traillii
- Blue-winged WarblerVermivora pinus
- Chestnut-sided WarblerDendroica pensylvanica
- Golden-winged WarblerVermivora chrysoptera
- Magnolia WarblerDendroica magnolia
- Rufous HummingbirdSelasphorus rufus
- Antillean NighthawkChordeiles gundlachii
- Black-billed CuckooCoccyzus erythropthalmus
- House FinchCarpodacus mexicanus
- Rose-breasted GrosbeakPheucticus ludovicianus
- Vesper SparrowPooecetes gramineus
Plants 139
- Southern DewberryRubus trivialis
- Buffalo CloverTrifolium reflexum
- Scarlet Creeper; ScarletcreeperIpomoea hederifolia
- Nodding Evening PrimroseOenothera nutans
- Georgia HorsenettleSolanum perplexum
- Halberd-leaf TearthumbPersicaria arifolia
- Earleaf GreenbrierSmilax auriculata
- Cornel-leaf AsterDoellingeria infirma
- Creeping LespedezaLespedeza repens
- Hairy Small-leaf Tick-trefoilDesmodium ciliare
- Hoary Tick-trefoilDesmodium canescens
- Nuttall's Tick-trefoilDesmodium nuttallii
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







































































