Birds, Charleston, Heron, Marsh, Swamp, Wildlife In A Rookery, Great Blue Heron April 14, 2020 Ted Jennings - TPJ Photography Leave a comment The adults were just changing guard duty on the nest. As soon as an adult can leave to hunt they stretch, shake and fluff their feathers. They may have been sitting around for hours. In A Rookery, Great Blue Heron Share this:TwitterFacebookLike this:Like Loading...