Florida manatees love hanging around Florida Power and Light’s Port Everglades Center. The new power plant uses water to cool its turbines and releases the warmed water into the canal.

As part of an ongoing study of the effect of that warm water outflow, Biologists and marine life experts plucked four manatees from the canals Tuesday to draw their blood, take tissue and urine samples and measure the animals before attaching tracking devices to their tails and releasing them back into the canal.