Black-Necked Skimmer Skimming, Swan Cove, Chincoteague National Wildlife Refuge, Virginia; Canon EOS-1Ds Mark II, Canon 600mm f/4 L IS USM lens with 1.4X Extender at 840mm; Aperture Priority and Evaluative Metering; ISO 640, f/11 and 1/400 sec at zero; File ID: E0K1906, 2001 x 2999 crop.