An American kestrel, a small breed of falcon, perches on a marker near the Lighter-Than-Air bypass at Langley Air Force Base, Va., Dec. 17, 2011. Members of the base community conducted the semi-annual bird count Saturday. Eight personnel spotted 825 birds of 50 different species at sites around the base. (U.S. Air Force photo by Senior Master Sgt. Anna Hayman/Released)