Blue Heron Pair Building Nest, Male Presents Female with Branch; Venice Rookery, Venice, Florida; Canon EOS-1D Mark II, 100-400mm f/4.5-5.6 L IS USM zoom lens at 400mm; Aperture Priority and Evaluative Metering; ISO 400, f/8 and 1/640 sec; 3504x2336 full frame image.