In a Baja lagoon, something is going on between whales and marine biologists.

The purpose of the sounds is not known but may be a form of communication between whales within the same group.

I maneuvered between whales with a more delicate hand but still fell dangerously near the ground.

Biologists may get a clue to the efficacy of communication between whales, but at a great price.

The relationship between mantas and whales had never, to that time, been clearly defined.

Personal confrontations between whales and members of the film team are among the most affecting shots.

The main focus of the research is to examine what they eat and to assess the competition between whales and fisheries.

This matches studies of the genetic relations between whales and other animals.

Actually, there is no clear line between whales and dolphins.

There was no conflict between whales and men.