This is probably the most dramatic reaction any human being has ever had when encountering a manatee, especially considering that these marine mammals are far from deadly.
The way Caroline Winch reacts would have you believe it was getting ready to attack her, but all it probably wanted was just to say hello.
Manatees are gentle and slow-moving creatures. Most of their time is spent eating, resting and traveling. They are often shy and reclusive. They have no natural enemies, no system of defense and are completely harmless.
WARNING: Video contains mild swearing.