Here is what I received from a friend of mine who has studied the Battle of Gettysburg extensively: the picture linked below is somewhat graphic, be warned if you have a problem with that.

I’ve heard that story at a number of battlefields.  If I remember correctly there is an account by a wounded, helpless soldier in the Wheatfield that said he fended off a wild hog or pig the night of July 2-3.  See link below for picture of dead soldier in the Wheatfield.  Supposedly he was eaten by hogs.

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