(Use your browser's Back button to return to search results.) Blue-gray Gnatcatcher Polioptila caerulea    Copyright David Seibel, 2009 (#1093) | Send Comment Camera: Canon EOS 1D Mark II N Exposure: 1/800 sec, f/5.6, ISO 400 Lens: Canon 500mm f/4L IS + 1.4x II TC Date: April 24, 2009 Location: Shawnee Mission Park, Kansas, USA