Florida manatees face an unusual combination of natural vulnerability (cold sensitivity) and anthropogenic threats (boat strikes, red tide, habitat loss) that create significant welfare challenges and require extensive rehabilitation programs.
Manatee welfare is threatened by an almost entirely anthropogenic crisis. Boat strike injuries cause acute trauma - propeller wounds to the back and sides that are both painful and disfiguring. Many manatees survive multiple boat strikes, accumulating scar tissue that documents repeated injury encounters. The ongoing starvation crisis since 2021 - driven by seagrass collapse from water quality degradation - has caused hundreds of deaths from emaciation, a slow and distressing process. Cold stress events, where manatees become hypothermic when cut off from warm water outflows, require rescue and extended rehabilitation. The cumulative welfare burden on individual manatees that survive multiple stressors represents extraordinary suffering in a species with documented long-term memory and apparent emotional complexity.