The session started off with a weird event.
A few minutes after starting casting I hooked a bluegill about 6 inches long on a popper. As I was bringing it in and grabbing the leader with my right hand there was a crash behind me and a bump on my right side, followed by the head of a Great Blue Heron darting past my right arm as it lunged for the fish. In a state of confusion, I rotated my body about 90 degrees to the left and grabbed the leader about two feet from the fish. The heron hopped to my left side and again made a lunge for the fish. Somehow with all the wing flapping and lunging I managed to shoo the bird off a couple of feet and released the fish, which made a high speed dash for deeper water. Some how during this excitement I wondered if I this was observed I would be charged with some violation of the Migratory Bird Treaty Act even though the bird initiated the entire event.
After the fish was gone the bird backed a few feet away and game me this "WTF" look

I'm sure this would have looked hilarious to any one who may have seen it - I doubt anyone did since I was obscured. I wish there could have been some video.
I have never had a heron approach me before while fishing. Usually they either hop away as if I get closer or glide away with a loud squawk of protest.
Cogitating on this for awhile I came up with a theory. The bird was some sort of alter ego of @VinnyBass that was upset that some dude fishing a grass stick (bamboo fly rod) dared to catch bluegill on his bass lake.
So I decided to start trying for bass intentionally. And I succeeded with three decent bass (not too large, or too small) and a bunch more bluegill over the next couple of hours. More of the actual fishing described on a post I made on the fly fishing forum.
Some pics - (saved the bass images for the fly fishing thread)