Four letter codes are commonly used by ornithologists and banders. You can find the complete bird species list here:
http://www.pwrc.usgs.gov/bbl/manual/aspeclst.htm I found learning them as much fun as learning other components of bird watching and ornithology. Regards, Terry Brashear CO-MODERATOR MOU-NET Hennepin County, MN http://www.naturepixels.com birdnird AT yahoo.com __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
