Birds, Charleston, Egret, Marsh, Swamp, Wildlife Great Egret In A Rookery March 10, 2021 Ted Jennings - TPJ Photography Leave a comment Great Egrets, unlike Herons, arrive each spring like invaders. They come in groups, are loud, and try to take over every available nesting tree. Great Egret In A Rookery The Herons do their best to keep what little space they have. Share this:TwitterFacebookLike this:Like Loading...