In my previous post I mentioned that 62% added to 12% is 72%. This is incorrect. That should read 74%. The other numbers are correct. I calculated using 74% but for some reason typed 72% in my post. Sorry about that. If you see any other errors in my calculations, please let me know. David A. Brinkman Cincinnati, OH ______________________________________________________________________ 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]