Killdeer Charadrius vociferus vociferus, Dorchester County, Maryland, USA, February 10, 2007

Three different individuals.

1. Nikon D80; Nikkor 80-400mm f4.5-5.6D ED AF VR lens (@400mm); 1/250, f7.1, ISO 100.

2. Nikon D80; Nikkor 80-400mm f4.5-5.6D ED AF VR lens (@400mm); 1/500, f5.6, ISO 125

3.  Nikon D80; Nikkor 80-400mm f4.5-5.6D ED AF VR lens (@400mm); 1/250, f9, ISO 100.