Bird
Thayer's Gull
Larus thayeri
A winter visitor to Louisiana, found in 15 of 64 parishes and 4 habitats.
- Here
- Winter
- Nesting
- Not known to nest here
- Range
- 15 of 64 parishes
- Habitats
- 4

At a glance
- Group
- Birds
- Here
- Winter
- Nesting
- Not known to nest here
- Range
- 15 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.
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.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
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 (3)
Land cover, or classes with no habitat page in Louisiana. Those recorded in Louisiana first, the rest by region.
Land cover and other classes (3)
- Developed, Low Intensity Winter.
- Open Water (Aquaculture) Winter.
- Unconsolidated Shore Winter.
Seasons in Louisiana
- Winter: does not nest here, in 15 of 64 parishes.
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.
Disturbed and introduced wetlands
Birds 179
- Black TernChlidonias niger
- Black-chinned HummingbirdArchilochus alexandri
- BobolinkDolichonyx oryzivorus
- Bronzed CowbirdMolothrus aeneus
- Black RailLaterallus jamaicensis
- Chestnut-sided WarblerDendroica pensylvanica
- DickcisselSpiza americana
- Magnolia WarblerDendroica magnolia
- Nelson's Sharp-tailed SparrowAmmodramus nelsoni
- Red-breasted NuthatchSitta canadensis
- Rufous HummingbirdSelasphorus rufus
- Sandwich TernThalasseus sandvicensis
Plants 20
- Slender FimbryFimbristylis autumnalis
- Purple SpikerushEleocharis atropurpurea
- Blue MistflowerConoclinium coelestinum
- BagpodGlottidium vesicarium
- Tropical FlatsedgeCyperus surinamensis
- Blunt Spike RushEleocharis obtusa
- False DaisyEclipta prostrata
- Bristly SedgeCarex comosa
- Shortbeak BeaksedgeRhynchospora nitens
- Southern Marsh YellowcressRorippa teres
- Sensitive FernOnoclea sensibilis
- Ditch FimbryFimbristylis schoenoides
Roadsides, fields and disturbed ground
Birds 153
- Cape May WarblerDendroica tigrina
- Greater RoadrunnerGeococcyx californianus
- House SparrowPasser domesticus
- Inca DoveColumbina inca
- Long-eared OwlAsio otus
- Monk ParakeetMyiopsitta monachus
- Smith's LongspurCalcarius pictus
- Upland SandpiperBartramia longicauda
- Western Burrowing OwlAthene cunicularia hypugaea
- Rock PigeonColumba livia
- BobolinkDolichonyx oryzivorus
- Bronzed CowbirdMolothrus aeneus
Plants 958
- Muck SunflowerHelianthus simulans
- Canada LettuceLactuca canadensis
- Annual FleabaneErigeron annuus
- Common Evening-primroseOenothera biennis
- Cutleaf Evening-primroseOenothera laciniata
- Dog-fennelEupatorium capillifolium
- Threadleaf SundropsOenothera linifolia
- Carolina Crane's-billGeranium carolinianum
- Golden CrownbeardVerbesina encelioides
- Blackeyed SusanRudbeckia hirta var. pulcherrima
- Downy Ground-cherryPhysalis pubescens
- Gray Ground-cherryPhysalis grisea
Sounds, bays and tidal flats
Birds 91
- Parasitic JaegerStercorarius parasiticus
- 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
- American OystercatcherHaematopus palliatus
- Black SkimmerRynchops niger
- Brown PelicanPelecanus occidentalis
Plants 8
- Shoal-grassHalodule wrightii
- Sago PondweedStuckenia pectinata
- Horned PondweedZannichellia palustris
- American WaterwortElatine americana
- Seashore DropseedSporobolus virginicus
- American EelgrassVallisneria americana
- Widgeon-grassRuppia maritima
- Carolina GrasswortLilaeopsis carolinensis
Sources
- USGS Gap Analysis Project habitat models (2001)
- USGS GAP winter habitat model for Thayer's Gull
- 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)
















































