gnarled dead tree skeleton in salt marsh, pickney island national wildlife refuge, usa

acre albus alligator alligators american and are bird birds carolina concentrations cordgrass creeks dead deer egrets eudocimus for foraging forests glasswort gnarled 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 skeleton south spike swamp tidal tree usa wading waterfowl waterway white whitetailed wildlife