In the video below, Brian Skerry explains the admirable behaviors and skills that he was able to observe in dolphins.

The research of Denise Herzing on the language of dolphins (with the translator she invented herself) provides insight into the unique hunting tactics of certain pods, as well as the extreme ease with which captive dolphins perform for large crowds. This Nat Geo Live episode below addresses these, as well as a large variety of subjects related to the intelligence of dolphins.