Some of you who have been a member of this site for a while might remember a thread (read: nasty argument with name calling) discussing some new research that suggested that many of the snakes considered non-venomous, such as colubrids, actually had venom. This is discussed in this article.
http://www.nzherald.co.nz/index.cfm?c_id=5&ObjectID=10116312
Hix
http://www.nzherald.co.nz/index.cfm?c_id=5&ObjectID=10116312
Hix