Great Blue Heron Wading on Wildlife Loop, Chincoteague National Wildlife Refuge, Assateague Island, Virginia; Canon EOS-1DS, 600mm f/4 L IS USM lens w/2X Extender at 1200mm; Aperture Priority and Evaluative Metering; ISO 200, f/11 and 1/400 sec; file ID: 1FFT8275-01, full image 4078 x 2713.