The rattlesnake I saw performing that snake dance was a small one 3-4 feet long. It was hissing louder than it was rattling. I thought my heart would stop I was so frightened. My aim was still good tho', I got 'em! HA!
This one was huge, it was on a little rise above my position, it was raised up to waist height on me. Scary and rattling like crazy, I was worried my dogs wouldn't listen to me but they ran back down the trail, I had to catch up to them.