And do they really rescue swimmers? The answer to both of those questions is yes, and surprisingly often!
The first known story of a dolphin rescuing a man was told in 1700 BC in ancient Greece. But one of the more recent stories occurred in 2007, when dolphins rescued a California man attacked by a Great White shark!*
Do you want to take a leap of faith, and tell me what type of dolphin is pictured above?
* See the interview here
**See more here