BrewCityBuck
The guy with 17,000 Posts.
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http://www.dailymail.co.uk/pages/live/arti...in_page_id=1770Experts believe that the dolphin's ancestor was a dog-like creature which roamed the earth many millions of years ago. And now the extraordinary discovery of a bottlenosed dolphin with an extra set of flippers has provided living proof of the theory.At first glance it looks like any other of its kind. But closer inspection reveals a rogue set of rear fins. Each the size of a human hand, the fins are thought to be the remains of a pair of hind legs, adding to evidence that dolphins once walked on all fours.