Hi Tom Thanks for the Greenie. It was great seeing you both this weekend. Laurie asked me to send you sone links to books on birdsong.
http://www.amazon.com/Singing-Life-Birds-Listening-Birdsong/dp/0618840761/ref=sr_1_2?ie=UTF8&s=books&qid=1284390265&sr=8-2
http://www.amazon.com/Birdsong-Seasons-Year-Listening-Birds/dp/0618753362/ref=sr_1_1?ie=UTF8&s=books&qid=1284390265&sr=8-1
http://www.amazon.com/Singing-Life-Birds-Listening-Birdsong/dp/0618840761/ref=sr_1_2?ie=UTF8&s=books&qid=1284390265&sr=8-2
http://www.amazon.com/Birdsong-Seasons-Year-Listening-Birds/dp/0618753362/ref=sr_1_1?ie=UTF8&s=books&qid=1284390265&sr=8-1