According to me, dolphins are the most beautiful animals in the world. I admire them not only for their intelligence but also for their gracefulness and good mood.
 
 

Unfortunately where I live there aren't dolphins... but we can find a lot of information in these sites:

http://www.southwest.com.au/~kirbyhs/dolphinsa.html
http://art1.candor.com/interest/dolphin.htm
http://www.discovery.com/stories/nature/dolphins/dolphins.html
http://www.dolphins.org/
http://www.dolphin-synergy.com/swimming.html