Greetings Dex, At my home in Reisterstown I have sigtings as follows: 5/23/86 5/25/89 5/20/97 to 5/30/97 5/9/98 to 5/18/98 I just learned to recognize the song of the Blackpoll last year, so lord knows what happened in other years. Lou Nielsen Reisterstown, MD clodvigii@aol.com