"Potomac Guardsman" - A Great Blue Heron standing on a rock next to a large waterfall, Great Falls National Park, Virginia.

"Potomac Guardsman" - A Great Blue Heron standing on a rock next to a large waterfall, Great Falls National Park, Virginia.

"Potomac Guardsman" - A Great Blue Heron standing on a rock next to a large waterfall, Great Falls National Park, Virginia.

All images @ Chris Kayler. All Rights Reserved.