| Birds | Kentucky Warbler Geothlypis formosa    Copyright David Seibel, 2014 (#12417) | Send Comment Camera: Canon EOS-1D Mark IV Exposure: 1/250 sec, f/7.1, ISO 1250 Lens: Canon 500mm f/4L IS + 1.4x II TC Date: May 13, 2014 Location: Bonner Springs, Kansas, USA