Bird
Ring-necked Duck
Aythya collaris
A winter visitor to Alabama, found in all 67 counties and 12 habitats.
- Here
- Winter
- Nesting
- Not known to nest here
- Range
- All 67 counties
- Habitats
- 12

At a glance
- Group
- Birds
- Here
- Winter
- Nesting
- Not known to nest here
- Range
- All 67 counties
- Habitats
- 12
- Habitat models
- Winter
Where it lives
The places its habitat model includes. It is not found everywhere a habitat occurs.
Habitats in Alabama 12
Each habitat page lists the plants and wildlife also found there.





Streams, rivers and their banks


Open, wet, seepage-fed bogs of the Coastal Plain and Sandhills, often with pitcher plants.
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.
Floodplain and bottomland forests
Forests on low ground beside rivers and streams that flood from time to time.
Flat, poorly drained uplands and terraces with oaks, sweetgum and sometimes loblolly pine, wet in winter and dry in summer, but neither a floodplain nor a swamp.
Coastal marshes flooded by salty or brackish tides.
Other habitats in its models (45)
Land cover, or classes with no habitat page in Alabama. Those recorded in Alabama first, the rest by region.
Elsewhere in the South (33)
- Atlantic Coastal Plain Brownwater Stream Floodplain Forest Winter.
- Atlantic Coastal Plain Central Fresh-Oligohaline Tidal Marsh Winter.
- Atlantic Coastal Plain Central Salt and Brackish Tidal Marsh Winter.
- Atlantic Coastal Plain Embayed Region Tidal Freshwater Marsh Winter.
- Atlantic Coastal Plain Embayed Region Tidal Salt and Brackish Marsh Winter.
- Atlantic Coastal Plain Indian River Lagoon Tidal Marsh Winter.
- Atlantic Coastal Plain Large Natural Lakeshore Winter.
- Atlantic Coastal Plain Northern Tidal Wooded Swamp Winter.
- Atlantic Coastal Plain Small Blackwater River Floodplain Forest Winter.
- Atlantic Coastal Plain Small Brownwater River Floodplain Forest Winter.
- Atlantic Coastal Plain Southern Tidal Wooded Swamp Winter.
- Atlantic Coastal Plain Xeric River Dune Winter.
- Central Florida Herbaceous Pondshore Winter.
- East-Central Texas Plains Floodplain Forest Winter.
- Florida Big Bend Fresh-Oligohaline Tidal Marsh Winter.
- Florida Big Bend Salt-Brackish Tidal Marsh Winter.
- Lower Mississippi River Flatwoods Winter, only within 120 m of water.
- Mississippi River Bottomland Depression Winter.
- Mississippi River Low Floodplain (Bottomland) Forest Winter.
- Red River Large Floodplain Forest Winter.
- South Florida Bayhead Swamp Winter.
- South Florida Cypress Dome Winter.
- South Florida Everglades Sawgrass Marsh Winter.
- South Florida Freshwater Slough and Gator Hole Winter.
- South Florida Mangrove Swamp Winter.
- South Florida Pine Flatwoods Winter, only within 120 m of water.
- South Florida Wet Marl Prairie Winter.
- Southern and Central Appalachian Bog and Fen Winter.
- West Gulf Coastal Plain Large River Floodplain Forest Winter.
- West Gulf Coastal Plain Near-Coast Large River Swamp Winter.
- West Gulf Coastal Plain Nonriverine Wet Hardwood Flatwoods Winter.
- West Gulf Coastal Plain Pine-Hardwood Flatwoods Winter, only within 120 m of water.
- West Gulf Coastal Plain Seepage Swamp and Baygall Winter.
Northeast (4)
- Atlantic Coastal Plain Northern Fresh and Oligohaline Tidal Marsh Winter.
- Atlantic Coastal Plain Northern Tidal Salt Marsh Winter.
- North-Central Interior Wet Flatwoods Winter.
- Northern Atlantic Coastal Plain Basin Swamp and Wet Hardwood Forest Winter.
Land cover and other classes (8)
- Central Appalachian Floodplain - Forest Modifier Winter.
- Central Appalachian Riparian - Forest Modifier Winter.
- Central Interior and Appalachian Shrub-Herbaceous Wetland Systems Winter.
- Lower Mississippi River Bottomland Depressions - Forest Modifier Winter.
- South-Central Interior Large Floodplain - Herbaceous Modifier Winter.
- Texas-Louisiana Coastal Prairie Slough Winter.
- Unconsolidated Shore Winter.
- Unconsolidated Shore (Lake/River/Pond) Winter.
Seasons in Alabama
- Winter: does not nest here, in all 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 205
- American Halfchaff SedgeCyperus neotropicalis
- Cyperus articulatusCyperus articulatus
- Cyperus cuspidatusCyperus cuspidatus
- Cyperus distinctusCyperus distinctus
- Cyperus drummondiiCyperus drummondii
- Cyperus lanceolatusCyperus lanceolatus
- Cyperus ochraceusCyperus ochraceus
- Cyperus thyrsiflorusCyperus thyrsiflorus
- Inflated Scale FlatsedgeCyperus aggregatus
- Low SpikesedgeCyperus hortensis
- Royal FlatsedgeCyperus elegans
- Smallflower Halfchaff SedgeCyperus subsquarrosus
- Umbrella Flat SedgeCyperus diandrus
- Pine-barren FlatsedgeCyperus retrorsus
- Baldwins Flat SedgeCyperus croceus
- Bearded FlatsedgeCyperus squarrosus
- Bristly FlatsedgeCyperus hystricinus
- Cyperus filicinusCyperus filicinus
- Fragrant FlatsedgeCyperus odoratus
- Fragrant SpikesedgeCyperus sesquiflorus
- Globe FlatsedgeCyperus echinatus
- Granite FlatsedgeCyperus granitophilus
- Gray's FlatsedgeCyperus grayi
- Green FlatsedgeCyperus virens
Plant genera in its diet records (28)
- Cyperus Seeds and roots. 6 diet records. 44 native plants in Alabama
- Scirpus Seeds. 6 diet records. 8 native plants in Alabama
- Eleocharis 5 diet records. 37 native plants in Alabama
- Potamogeton Seeds. 5 diet records. 10 native plants in Alabama
- Ceratophyllum Seeds. 4 diet records. 2 native plants in Alabama
- Lachnanthes Seeds and roots. 4 diet records. 1 native plant in Alabama
- Myriophyllum Seeds. 4 diet records. 3 native plants in Alabama
- Polygonum Seeds. 4 diet records. 4 native plants in Alabama
- Chara Other parts. 3 diet records. 0 native plants in Alabama
- Echinochloa Seeds. 3 diet records. 1 native plant in Alabama
- Phalaris Seeds. 3 diet records. 1 native plant in Alabama
- Bolboschoenus Seeds. 2 diet records. 3 native plants in Alabama
- Brasenia 2 diet records. 1 native plant in Alabama
- Nymphaea Seeds. 2 diet records. 3 native plants in Alabama
- Panicum Seeds. 2 diet records. 6 native plants in Alabama
- Persicaria Seeds. 2 diet records. 11 native plants in Alabama
- Pinus 2 diet records. 8 native plants in Alabama
- Ruppia 2 diet records. 1 native plant in Alabama
- Sparganium Seeds. 2 diet records. 1 native plant in Alabama
- Stuckenia Roots. 2 diet records. 1 native plant in Alabama
- Zea Seeds. 2 diet records. 0 native plants in Alabama
- Boehmeria 1 diet record. 1 native plant in Alabama
- Chenopodium Seeds. 1 diet record. 3 native plants in Alabama
- Hypericum 1 diet record. 35 native plants in Alabama
- Lemna Leaves. 1 diet record. 4 native plants in Alabama
- Leptochloa Seeds. 1 diet record. 0 native plants in Alabama
- Morella 1 diet record. 4 native plants in Alabama
- Sagittaria Roots. 1 diet record. 12 native plants in Alabama
Also found in its main habitats
Its main habitats in Alabama, 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 104
- Black-throated Blue WarblerDendroica caerulescens
- Willow FlycatcherEmpidonax traillii
- Evening GrosbeakCoccothraustes vespertinus
- Louisiana WaterthrushSeiurus motacilla
- Magnolia WarblerDendroica magnolia
- OvenbirdSeiurus aurocapilla
- Red-breasted NuthatchSitta canadensis
- Swainson's WarblerLimnothlypis swainsonii
- Wilson's WarblerWilsonia pusilla
- Worm-eating WarblerHelmitheros vermivorum
- American WoodcockScolopax minor
- AnhingaAnhinga anhinga
Plants 418
- Elliott's BlueberryVaccinium elliottii
- White Panicled Aster; Eastern Lined AsterSymphyotrichum lanceolatum var. latifolium
- Possumhaw HollyIlex decidua
- Cherrybark OakQuercus pagoda
- Appalachian Orange ConeflowerRudbeckia umbrosa
- Rudbeckia fulgida var. spathulataRudbeckia spathulata
- Shagbark HickoryCarya ovata
- Southern Shagbark HickoryCarya carolinae-septentrionalis
- Spruce Pine; Walters Pine; Cedar PinePinus glabra
- Spreading SedgeCarex laxiculmis
- Louisiana SedgeCarex louisianica
- Smooth Hedge-nettleStachys tenuifolia
Swamps
Birds 102
- Eurasian WigeonAnas penelope
- Louisiana WaterthrushSeiurus motacilla
- Ruddy TurnstoneArenaria interpres
- Magnolia WarblerDendroica magnolia
- Red-breasted NuthatchSitta canadensis
- Reddish EgretEgretta rufescens
- RedheadAythya americana
- Swainson's WarblerLimnothlypis swainsonii
- Tricolored HeronEgretta tricolor
- AnhingaAnhinga anhinga
- Broad-winged HawkButeo platypterus
- Cerulean WarblerDendroica cerulea
Plants 327
- Black Highbush BlueberryVaccinium fuscatum
- Dahoon HollyIlex cassine
- May HawthornCrataegus aestivalis
- Carolina AshFraxinus caroliniana
- Dense-flower SmartweedPersicaria densiflora
- Swamp TupeloNyssa biflora
- Water HickoryCarya aquatica
- Bent SedgeCarex styloflexa
- Collins's SedgeCarex collinsii
- Cypress-swamp SedgeCarex joorii
- Dark-green SedgeCarex venusta
- Fringed SedgeCarex crinita
Coastal dunes and beaches
Birds 118
- Black-bellied PloverPluvialis squatarola
- Marbled GodwitLimosa fedoa
- Seaside SparrowAmmodramus maritimus
- Short-billed DowitcherLimnodromus griseus
- Wilson's PloverCharadrius wilsonia
- Common TernSterna hirundo
- Horned LarkEremophila alpestris
- Lapland LongspurCalcarius lapponicus
- Nelson's Sharp-tailed SparrowAmmodramus nelsoni
- Purple MartinProgne subis
- Red KnotCalidris canutus
- Sandwich TernThalasseus sandvicensis
Plants 134
- Beach Morning-gloryIpomoea imperati
- Railroad VineIpomoea brasiliensis
- Cruise's GoldenasterChrysopsis cruiseana
- Godfrey's Golden AsterChrysopsis godfreyi
- Seabeach KnotweedPolygonum glaucum
- Southern Seaside SpurgeEuphorbia bombensis
- Agalinis harperiAgalinis harperi
- Panicum amarum var. amarumPanicum amarum var. amarum
- Largeleaf PennywortHydrocotyle bonariensis
- Dune Marsh-elderIva imbricata
- Pinewoods FingergrassEustachys petraea
- Gulf Coast Sea RocketCakile constricta
Sources
- USGS Gap Analysis Project habitat models (2001)
- USGS GAP winter habitat model for Ring-necked Duck Slow streams only
- 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




























































