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Syrinx



HI ALL:
A friend of mine wonders if anyone on the paleo lists know who may be studying the evolution of the syrinx? She's interested to know if anyone knows when this structure first appeared?

sincerely
--

Ian Paulsen
Bainbridge Island, WA, USA
Visit my BIRDBOOKER REPORT blog here:
http://birdbookerreport.blogspot.com/