| Birds | Wilson's Warbler Wilsonia pusilla    Copyright David Seibel, 2008 (#1999) | Send Comment Camera: Canon EOS-1D Mark II N Exposure: 1/500 sec, f/5.6, ISO 800 Lens: Canon 500mm f/4L IS + 1.4x II TC Date: May 29, 2008 Location: Kansas, USA