Birders of all levels of expertise or experience are welcome and urged to participate in this annual post-migration bird census in northern Baltimore County. The area being surveyed is in a 15-mile diameter circle touching Lake Roland on the south, Hereford on the north and centered on Cockeysville. This is a count of all birds seen or heard in the count circle. Count totals will be submitted to the National Audubon Society for nationwide publication. No fee. Contact compiler, Libby Errickson, firstname.lastname@example.org, for area assignment with one of the sector coordinators.