laughing gull bird in salt marsh, pickney island national wildlife refuge, usa

acre albus alligators american and are bird birds carolina concentrations cordgrass creeks deer egrets eudocimus for foraging forests glasswort grass gull habitat hay head herons hilton ibis intracoastal island large laughing marsh migrants national nature neotropical palmetto pannes perched pickney ponds preserve raptors refuge salt saw seagull shorebirds south spike swamp tidal tree usa wading waterfowl waterway white whitetailed wildlife