Table 1.

Characteristics of the 4 populations of bottlenose dolphins in the current study

Population	No. of dolphins	Age range (y)	No. of samples
Navy Marine Mammal Program	70	1 to 44	110
Six Flags Discovery Kingdom	13	4 to 46	13
Charleston, SC	18	2 to 24	18
Indian River Lagoon, FL	40	2 to 27	40