The book "A Guide to Bird Songs" by Aretas A. Saunders has been enormously helpful to me in taking notes on calls so they can be researched at home. He shows a system of diagramming calls which somehow made sense to me. I bought it used online. Jim Weyers Appleton Outagamie county. #################### You received this email because you are subscribed to the Wisconsin Birding Network (Wisbirdn). To UNSUBSCRIBE or SUBSCRIBE, use the Wisbirdn web interface at: //www.freelists.org/list/wisbirdn To set DIGEST or VACATION modes, use the Wisbirdn web interface at: //www.freelists.org/list/wisbirdn Visit Wisbirdn ARCHIVES at: //www.freelists.org/archives/wisbirdn