For those interested, the 51st Supplement to the AOU Check-list of North American birds is now on line at the AOU site: http://www.aou.org/checklist/north/suppl/51.php Most, scientific organizations and listers alike, regard this as the definitive list. This one contains many changes and additions based on the latest research. If you make or use checklists, it is indispensable. The full list, as amended is at http://www.aou.org/checklist/north/full.php . Bill Whan Columbus ______________________________________________________________________ Ohio-birds mailing list, a service of the Ohio Ornithological Society. Our thanks to Miami University for hosting this mailing list. Additional discussions can be found in our forums, at www.ohiobirds.org/forum/. You can join or leave the list, or change your options, at: http://listserv.muohio.edu/scripts/wa.exe?LIST=OHIO-BIRDS Send questions or comments about the list to: [log in to unmask]