1.   The true effect on wild dolphin populations of prolonged exposure to chemical pollutants is hard to measure.

2.   A few years ago, Ms. Stuart joined a group that swam with wild dolphins off Key West, Fla.

3.   Citing a rise in bites, federal officials warn that people who swim with wild dolphins run the risk of serious injury and even death.

4.   Federal officials say the recent scientific findings about wild dolphins and recent mishaps with the big animals are giving the federal warning campaign a new degree of urgency.

5.   His tale of swimming with wild dolphins in the bay settled it.

6.   In Europe and the United States, observation programs were started that sought the biological, ecological and behavioral secrets of wild dolphins.

7.   The aggressive behavior of wild dolphins expecting handouts from all boats and food from all fingers means someone will eventually get hurt.

8.   The emerging consensus is that wild dolphins can be cold-blooded killers.

9.   The place, rather, is one of the few in the world where wild dolphins regularly interact with people.

10.   Wild dolphins show up when they want to.