The recent rash of Midwestern rarities drives the question, what percentage of rarities are seen by birders? Does the presence of a Vermillion Flycatcher mean that ten are in the Midwest? How would one answer such a question? Al Schirmacher#################### 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