That lump in the blue heron’s throat is lunch — that he found in the shallows of Dutton Island Preserve at Atlantic Beach, Fla. Photo taken Jan. 2, 2015. Nikon D7100. Tamron 150-600mm f/5.6-6.3 lens. RAW. ISO 1600. f/11. 1/400th sec. Click on image to enlarge.