Hi All, I studied the Least Bittern years ago, and found the song sounds like whu-whu-hu-hu-huhuhuhuhu, soft, speeding up. If I heard cow cow cow in a marsh, descending notes, I would suspect the Pied-billed Grebe. I'm copying this to Mara in case it doesn't go through. Libby Zimmerman #################### 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