2002 Florida Manatee Mortality Summary Cause of Death Number of Deaths Percentage of Total Watercraft 95 31 _% Flood Gate/Lock 05 1.6_% Other Human 09 2.4__% Perinatal 53 __17.3% Cold Stress 17 __5.5% Natural 59 __19.3% Undetermined 65 __21.3% Unrecovered 02 __.6% Total 305 100%Watercraft is the most harmful. Ben and John