The reason the plastic owl doesn't work is that it needs to be moved
every day or two to keep the "pijon's" attention.  If it stays in one place
too long it becomes a fixture like the lights and ornamentation...
 
Richard Efthim, Naturalist Center
National Museum of Natural History
Washington, DC 20560
(202)357-1503   fax:(202)786-2778   [log in to unmask]