Not a pig. Here is a fascinating article about how it seems to have happened: http://www.eartharchives.org/articles/the-evolution-of-whales/ http://www.earthar

Not a pig. Here is a fascinating article about how it seems to have happened: http://www.eartharchives.org/articles/the-evolution-of-whales/ http://www.eartharchives.org/articles/the-evolution-of-whale...