A heron sits on a tree limb above the North Branch of the Potomac River in Columbia, Md., a long way from the banks and estuaries of Virginia’s Tidewater rivers and Chesapeake Bay. Nikon D5200. Sigma 70-300mm F4-5.6. f/8. 300mm (DX 450mm). 1/750th sec. ISO 800. Click on image to enlarge.
