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Bird

Greater Scaup

Aythya marila

A winter visitor to Louisiana, found in 18 of 64 parishes and 4 habitats.

Here
Winter
Nesting
Not known to nest here
Range
18 of 64 parishes
Habitats
4

At a glance

Group
Birds
Here
Winter
Nesting
Not known to nest here
Range
18 of 64 parishes
Habitats
4
Habitat models
Winter

Where it lives

The places its habitat model includes. It is not found everywhere a habitat occurs.

Habitats in Louisiana 4

Each habitat page lists the plants and wildlife also found there.

1 of 4

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.

Winter

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.

Winter

Ponds, lakes and their shores

Still water and its edges: ponds, lakes, millponds and reservoirs.

WinterOpen Water (Fresh)

Sounds, bays and tidal flats

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.

WinterOpen Water (Brackish/Salt)
Other habitats in its models (5)

Land cover, or classes with no habitat page in Louisiana. Those recorded in Louisiana first, the rest by region.

Elsewhere in the South (4)
  • 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.
  • Mississippi Sound Salt and Brackish Tidal Marsh Winter.
Northeast (1)
  • Atlantic Coastal Plain Northern Tidal Salt Marsh Winter.

All habitats

Seasons in Louisiana

  • Winter: does not nest here, in 18 of 64 parishes.

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 23

Plant genera in its diet records (10)
  • Potamogeton 4 diet records. 7 native plants in Louisiana
  • Chara 3 diet records. 0 native plants in Louisiana
  • Vallisneria 3 diet records. 1 native plant in Louisiana
  • Elodea 2 diet records. 0 native plants in Louisiana
  • Najas 2 diet records. 1 native plant in Louisiana
  • Ulva 2 diet records. 0 native plants in Louisiana
  • Lemna 1 diet record. 6 native plants in Louisiana
  • Ruppia Leaves. 1 diet record. 1 native plant in Louisiana
  • Scirpus 1 diet record. 5 native plants in Louisiana
  • Wolffia 1 diet record. 2 native plants in Louisiana

Avian Diet Database (Hurlbert Lab), CC0 1.0.

Also found in its main habitats

Its main habitats in Louisiana, 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 97

Plants 25

All of coastal tidal marshes (salinity not stated) in Louisiana

Disturbed and introduced wetlands

Birds 179

Plants 20

All of disturbed and introduced wetlands in Louisiana

Sounds, bays and tidal flats

Birds 91

Plants 8

All of sounds, bays and tidal flats in Louisiana

USGS Gap Analysis Project habitat models.

Sources