Bird of the Day: Great Blue Heron Posted on July 9, 2014 by elizabeth Ardea herodias …for no other reason than I finally got a half-decent picture of one. Great blue herons are very common along the Potomac River; you have to try hard not to see one. But beautiful birds nonetheless. Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window) Email Like Loading... Related