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RE: Question about an old discussion

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Posted by: JL1981 at Mon Aug 20 12:13:22 2007  [ Report Abuse ] [ Email Message ] [ Show All Posts by JL1981 ]  
   

Venom is nothing more than modified saliva. While some colubrids have venoms that are just as toxic drop for drop as elapids, they not only lack the delivery system but most produce very tiny quantities of it. As for cribos, I believe Dr. Fry had said that the indigos/bird snakes had reduced, very small venom glands and have resorted to being "bully feeders" using their size and power to overcome prey. Apparently the only colubrids that lack venom are the North American clade including kingsnakes, ratsnakes, pituophis, etc. Have a look at this site and forum at www.venomdoc.com. Extremely informative.


   

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<< Previous Message:  RE: Question about an old discussion - Upscale, Fri Aug 17 00:21:41 2007