Nature Canada 85 Albert St., Suite 900 Ottawa, ON K1P 6A4 Canada ph: 613-562-3447 fax: 613-562-3371 email: info@naturecanada.ca     Bird Studies Canada P.O. Box 160, 115 Front Rd. Port Rowan, ON, N0E 1M0 Canada ph: 519-586-3531 fax: 519-586-3532 email: birdmap@bsc-eoc.org