Every 20 years or so the swamp has a drought and dries up allowing lightning to start a fire that will burn through the swamp. The last such fire was in 2011:
Evidently this is needed to rebuild the swamp as these tree seeds need the fire heat to germinate.
We did see a frog as we walked through the swamp.
Also went to Chesser Island, which is a home of a swamp family. The dossier was also a swamp person, but since the Swamp is now a National Wildlife Refuge, all the Swamp people have been booted out.
We had our own wildlife at the campsite as there were free roaming guinea birds.