Invasive snail species may not be universally bad news: https://www.nytimes.com/2017/11/28/science/birds-beaks-evolution-snails.html David Kirsh, LPC, RN Sent from my iPhone ---------------------------------------------------------------------- [log in to unmask] - a forum for informal discussions on molluscs To leave this list, click on the following web link: http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1 Type your email address and name in the appropriate box and click leave the list. ----------------------------------------------------------------------