1.   Because manatees frequent turbid water and spend long periods of each day submerged, the counts are cursory at best.

2.   A shark attack is a potential danger for anyone who frequents marine waters, but it should be kept in perspective.

3.   All are known to be dangerous to humans, and all frequent the waters off Padre Island.

4.   Unlike humpback whales, which frequent coastal waters, sperm whales thrive in deep sea, searching for their main diet of squid.

5.   The animal is slower than some other whales, has a good quality of oil and frequents coastal waters.