Black Duck, Swan Cove, Chincoteague National Wildlife Refuge, Virginia; Canon EOS-1Ds Mark II, 600mm f/4 L IS USM lens w/2X Extender at 1200mm; Incident Metered Manual Exposure; ISO 400, f/11 and 1/320 sec at zero; File ID: E0K8261, 3602 x 2400 crop.