A fun fact I learned was that manatees, despite being so large, actually have a very small percentage of body fat. The reason their run-ins with speed boats are so deadly is that their lungs are just under the surface of their thick skin on their backs, so when propellers hit them, they literally cut into the manatees' lungs.
Homosassa Springs has a nice assortment of local, native animals, in addition to a retired movie star hippo who residents petitioned to let remain in the park.
Out of the 11 alligators on site, I took notice of this guy in particular who I nicknamed Ol' Stubby.