Footage of the Florida Manatee courtesy of the USGS Biological Resources Divison.
Petition to the U.S. Fish and Wildlife Service to Revise Manatee Critical Habitat  (PDF)
Save the Manatee Club 
United States Fish and Wildlife Service: Maps of Federal Manatee Protection Areas 
Florida Fish and Wildlife Conservation Commission Florida Manatee Program 
Manatee Mortality Statistics