During cold spells Manatees head in droves for the fresh water springs around Crystal River, Florida as the water temperature in this area remains a constant 72 degF. 

On one exceptionally cold winter day a few years ago I managed to film this incredibly friendly Manatee.  They really are wonderful creatures and although it is illegal to pursue or harass or even touch a Manatee they will often seek out snorkelers and divers to interact with them and maybe get a belly rub.

Sadly their numbers appear to be in a steady decline so it is unknown how much longer we will be able to share experiences like this one.