The 52nd Supplement to the AOU list of N. American birds is available on-line now at http://www.aou.org/auk/content/128/3/0600-0613.pdf . The many changes are outlined in the first paragraph. They include new species, additions to the US list, splits and lumps, and a lot of taxonomic changes, including dozens of changes in warblers commonly seen here. The revised full Check-list 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]