http://www.tierboard.com/category/bookmarks/python-snakes-an-invasive-species-in-florida-could-spread-to-one----/ ScienceDaily (Feb. 24, 2008) — Burmese pythons—an invasive species in south Florida—could find comfortable climatic conditions in roughly a third of the United States ... Wed, 24 Jun 2009 06:25:04 CEST en