Related Program: NatureNotes Happy Whistle Pig Day! By Rudy Mancke • Feb 2, 2018 Related Program: NatureNotes TweetShareGoogle+Email A Groundhog Brett Marshall, Sault College, Bugwood.org Groundhogs are usually called Woodchucks in South Carolina. In the past they were often called Whistle Pigs. Listen Listening... / 1:00 NatureNotes is a production of South Carolina Public Radio. Tags: NatureNatureNotesSCETV AppTweetShareGoogle+EmailView the discussion thread.