In asking around Van wert to see if any other flat roofed structures have hosted nighthawks, we haven't come up with any. Interestingly, the hospital and its separate office building, both of which have sizable expanses of flat gravel roofs, have had nesting killdeers on them for at least the past three years. Maybe this is another species making the transition from threatened ground-level habitat to man- made structures. Jean & John Perchalski Van Wert, 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]