Awww Im too far, in Maryland. Please post about this duck in these forums too.
Find your state will have a Florida forum:
https://www.backyardchickens.com/threads/find-your-states-or-your-countrys-thread.270925/
and here people look for ducks to adopt...
oh nooo that is sooo sad. Where are you located? what state/county??
Have you fed him any peas/corn or anything?
Do you know if it's a drake or hen?
Have you caught him yet?