Bird
Greater Scaup
Aythya marila
A winter visitor to Mississippi, found in 34 of 82 counties and 5 habitats.
- Here
- Winter and on migration
- Nesting
- Not known to nest here
- Range
- 34 of 82 counties
- Habitats
- 5

At a glance
- Group
- Birds
- Here
- Winter and on migration
- Nesting
- Not known to nest here
- Range
- 34 of 82 counties
- Habitats
- 5
- Habitat models
- Winter
Where it lives
The places its habitat model includes. It is not found everywhere a habitat occurs.
Habitats in Mississippi 5
Each habitat page lists the plants and wildlife also found there.
Coastal tidal marshes (salinity not stated)
Tidal marshes of the Atlantic and Gulf coasts where the source does not say whether the water is fresh, brackish or salt. A stated salinity files the marsh under freshwater tidal marshes or salt and brackish marshes instead.
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.
Still water and its edges: ponds, lakes, millponds and reservoirs.
Coastal marshes flooded by salty or brackish tides.
Salt and brackish open water of sounds, bays and estuaries, with the mud and sand flats and seagrass beds that tides cover and uncover; the vegetated marsh is salt and brackish marshes.
Other habitats in its models (4)
Land cover, or classes with no habitat page in Mississippi. Those recorded in Mississippi first, the rest by region.
Elsewhere in the South (3)
- Atlantic Coastal Plain Central Salt and Brackish Tidal Marsh Winter.
- Atlantic Coastal Plain Indian River Lagoon Tidal Marsh Winter.
- Florida Big Bend Salt-Brackish Tidal Marsh Winter.
Northeast (1)
- Atlantic Coastal Plain Northern Tidal Salt Marsh Winter.
Seasons in Mississippi
- Migratory: does not nest here, in 24 of 82 counties.
- Winter: does not nest here, in 12 of 82 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 30
- Potamogeton pusillus subsp. pusillusPotamogeton pusillus subsp. pusillus
- Small pondweedPotamogeton pusillus subsp. tenuissimus
- Largeleaf PondweedPotamogeton amplifolius
- Leafy PondweedPotamogeton foliosus
- Longleaf PondweedPotamogeton nodosus
- Ribbonleaf PondweedPotamogeton epihydrus
- Small PondweedPotamogeton pusillus
- Spotted PondweedPotamogeton pulcher
- Waterthread PondweedPotamogeton diversifolius
- American EelgrassVallisneria americana
- Giant EelgrassVallisneria neotropicalis
- Canadian WaterweedElodea canadensis
- Nuttall's WaterweedElodea nuttallii
- Slender WaternymphNajas gracillima
- Southern WaternymphNajas guadalupensis
- Common DuckweedLemna minor
- Least DuckweedLemna minuta
- Lesser DuckweedLemna aequinoctialis
- Little DuckweedLemna obscura
- Minute DuckweedLemna perpusilla
- Valdivia DuckweedLemna valdiviana
- Widgeon-grassRuppia maritima
- Dark-green BulrushScirpus atrovirens
- Drooping BulrushScirpus lineatus
Plant genera in its diet records (10)
- Potamogeton 4 diet records. 9 native plants in Mississippi
- Chara 3 diet records. 0 native plants in Mississippi
- Vallisneria 3 diet records. 2 native plants in Mississippi
- Elodea 2 diet records. 2 native plants in Mississippi
- Najas 2 diet records. 2 native plants in Mississippi
- Ulva 2 diet records. 0 native plants in Mississippi
- Lemna 1 diet record. 6 native plants in Mississippi
- Ruppia Leaves. 1 diet record. 1 native plant in Mississippi
- Scirpus 1 diet record. 6 native plants in Mississippi
- Wolffia 1 diet record. 2 native plants in Mississippi
Also found in its main habitats
Its main habitats in Mississippi, 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.
Coastal tidal marshes (salinity not stated)
Birds 88
- Marbled GodwitLimosa fedoa
- Short-billed DowitcherLimnodromus griseus
- American Tree SparrowSpizella arborea
- KilldeerCharadrius vociferus
- Nelson's Sharp-tailed SparrowAmmodramus nelsoni
- Red KnotCalidris canutus
- Seaside SparrowAmmodramus maritimus
- Wilson's PloverCharadrius wilsonia
- Common TernSterna hirundo
- Piping PloverCharadrius melodus
- American OystercatcherHaematopus palliatus
- American White PelicanPelecanus erythrorhynchos
Plants 30
- Annual Saltmarsh AsterSymphyotrichum subulatum
- Sandpaper VervainVerbena scabra
- Dwarf ArrowheadSagittaria subulata
- Black NeedlerushJuncus roemerianus
- Carolina Sea-lavenderLimonium carolinianum
- Southern Water-hempAmaranthus australis
- Shoreline SedgeCarex hyalinolepis
- Pink RedstemAmmannia latifolia
- Solidago sempervirens var. mexicanaSolidago sempervirens var. mexicana
- Grassy ArrowheadSagittaria graminea
- Giant BristlegrassSetaria magna
All of coastal tidal marshes (salinity not stated) in Mississippi
Disturbed and introduced wetlands
Birds 152
- Black TernChlidonias niger
- Bronzed CowbirdMolothrus aeneus
- DickcisselSpiza americana
- Bell's VireoVireo bellii
- Black-bellied PloverPluvialis squatarola
- BobolinkDolichonyx oryzivorus
- Cackling GooseBranta hutchinsii
- Chestnut-sided WarblerDendroica pensylvanica
- Magnolia WarblerDendroica magnolia
- Red-breasted NuthatchSitta canadensis
- Rufous HummingbirdSelasphorus rufus
- Willow FlycatcherEmpidonax traillii
Plants 26
- Slender FimbryFimbristylis autumnalis
- Intermediate Spike RushEleocharis intermedia
- Purple SpikerushEleocharis atropurpurea
- Blue MistflowerConoclinium coelestinum
- BagpodGlottidium vesicarium
- Cyperus ochraceusCyperus ochraceus
- False DaisyEclipta prostrata
- Blunt Spike RushEleocharis obtusa
- Bristly SedgeCarex comosa
- Shortbeak BeaksedgeRhynchospora nitens
- Southern Marsh YellowcressRorippa teres
- Sensitive FernOnoclea sensibilis
Sounds, bays and tidal flats
Birds 81
- BuffleheadBucephala albeola
- Common GoldeneyeBucephala clangula
- Sooty TernOnychoprion fuscatus
- Snowy PloverCharadrius nivosus
- Western Snowy PloverCharadrius nivosus nivosus
- Interior Least TernSternula antillarum athalassos
- Red KnotCalidris canutus
- Sandwich TernThalasseus sandvicensis
- Thayer's GullLarus thayeri
- Common TernSterna hirundo
- American OystercatcherHaematopus palliatus
- American White PelicanPelecanus erythrorhynchos
Plants 11
- Shoal-grassHalodule wrightii
- Turtle GrassThalassia testudinum
- Heartleaf PlantainPlantago cordata
- Sago PondweedStuckenia pectinata
- Horned PondweedZannichellia palustris
- American WaterwortElatine americana
- Seashore DropseedSporobolus virginicus
- Black MangroveAvicennia germinans
- American EelgrassVallisneria americana
- Widgeon-grassRuppia maritima
- Carolina GrasswortLilaeopsis carolinensis
Sources
- USGS Gap Analysis Project habitat models (2001)
- USGS GAP winter habitat model for Greater Scaup
- 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





















































