I've had alligator, once, fried as said above. Pretty good, nothing really special.
I've also had frog once. Been a long time though, and wasn't something I was anxious to experience again. I think I've had rabbit, squirrel, and raccoon... some of my relatives in georgia are pretty big on hunting. I say I think, because some of what I've eaten there didn't taste like chicken, beef, or venison, or each other for that matter, but I didn't really want to ask what was in what I was eating.