Yes, they rattle ... More like a "buzz" ... Here you can see the rattles, as when they go to swallow their food, they double in half and keep lunging forward with their head to get the critter inside ...

I have kept a few of the bigger rattles ... 12-13 rattles ... In a drawer somewhere ...
Oh, here is a video I did of the one eating the rabbit ... The background noise is our well pump, as we were watering the ball field at school ... At about 4:47 you can just barely hear it rattle ...
[VIDEO]

I have kept a few of the bigger rattles ... 12-13 rattles ... In a drawer somewhere ...
Oh, here is a video I did of the one eating the rabbit ... The background noise is our well pump, as we were watering the ball field at school ... At about 4:47 you can just barely hear it rattle ...
[VIDEO]