Here is another greenie taken at Huntington Beach SP, SC. They breed there.
Les, I believe the pic you added is a Night-Heron, not a Green Heron. Not sure if it is a Black-crowned or a Yellow-crowned, since both the juveniles look very similar to me.
I find it hard to track these birds down, but got lucky on this one.
Very fine image, Gene. That one looks like an adult, to me. If we could see its legs it would be easier to tell; a juvenile's legs are greenish and get more orange as they mature.
I've been fortunate to be able to see them regularly here in KY during their breeding season; they aren't here year round. Looking forward to seeing them again in a few months!