ANTARCTIC WILDLIFE
'(<a href="http://www.j-archive.com/media/2010-07-28_DJ_02.wmv">Sarah of the Clue Crew goes hunting for killer whales in Antarctica.</a>)  One of the most spectacular features of the male orca, or killer whale, is this stabilizing fin; from the Latin for "of the back", it can be 6 feet in height'
the dorsal fin