Here is a link to some documentation by a university in Florida showing that the Black Racer eats venomous. Here is the link for more detail.

http://www.google.com/search?sourceid=navclient&gfns=1&ie=UTF-8&rlz=1T4RNWE_en___US217&q=Racer eats venomous
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"Life without risk is to merely exist."