A rattle snakes tail.
This is a rattle snakes rattle tail and the bones that hit together.when Rattle snakes do the hiss hard the nose get loud and the bones hit harder.
A rattle snake color can be brown ,gray, or tan color. But most rattle snake are brown. Rattle snakes also can grow up to 7 feet long.
Pictures from Wikipedia
Rattle snakes have long vangs. Rattle sanakes cane bite and put posin in you'r boty. Rattle snakes can opin it's moth whide.
I can not belev how long a rattle snake can grow to 7 feet long.