Originally posted by bbarrnice article! (couldn't get the 2nd link though).
Check this out!
http://www.cbc.ca/story/world/national/2004/11/24/dolphin_newzealand041124.html
here's fairly short one in which they reveal that dolphins passed the mirror test (for self-awareness - though i really don't see why that is a valid test since i know some people don't recognize themselves in the mirror):
http://www.wiu.edu/users/emp102/DolphinWeb/dolphin_intel.html
and a good one regarding dolphin therapy in autism (by Michael T. Hyson, Ph.D. - some interesting stuff there and pretty well-referenced too):
http://www.planetpuna.com/dolphin-paper-html/dolphin-paper.htm
possibly, it may take a certain threshold of intelligence to acknowledge the same in another being.
in friendship,
prad