Links

14 Alligator Facts in Florida

Not about rivers, but caves. Possibly some springs to check out.
https://floridacaves.com/index2.html

Red Tide Map
https://myfwc.maps.arcgis.com/apps/View/index.html?appid=87162eec3eb846218cec711d16462a72

Groups of Birds

https://wildbirdsonline.com/blogs/news/bird-names-by-groups

How to whistle using an acorn cap