Subject: Origins of whale intelligence
Mon, 5 Apr 1999 20:09:38 EDT

Good question and I hope this helps.

Cetacean do have relatively large brains, and cetacean brains "devote" a 
great deal of area to acoustics: sound production (output) and sound analysis 
(input).  As a result, whales are very aware of their environment and what is 
going on around them, both nearby, and for many miles in the distance.
The intelligence of whales is difficult to determine, because our methods of 
measurement are heavily biased to a terrestrial lifestyle and devised by one 

Scott Mercer