But the whale-watching boats, the only ones that actually pursue the animals, are the chief targets.
The whales live in three stable social groups, or pods, and are frequently visited by whale-watching boats.
He says the whale-watching boats hurt whales by getting too close, disrupting their lives and sometimes hitting them.
It also develops tourism and leisure industry, such as cruises and whale-watching boats.
Abby was delighted to hear they'd be taking one of the whale-watching boats to Plymouth.
This will allow the thousands of people who come in whale-watching boats each year to listen in.
Q: Has the proliferation of whale-watching boats caused any problems for whales?
Q: What kind of species can be seen from whale-watching boats leaving Connecticut ports?
Last October, passengers on a whale-watching boat saw a blue whale a few miles off Provincetown.
The best way to see them is from the bobbing deck of a whale-watching boat.