How does a rat­tlesnake make its sound?

Girls' World - - Critter Q&a -

predWhen a rat­tlesnake wants to warn ators (or peo­ple!) to back away, their tail makes a sound like a baby’s rat­tle. there In or­der for this sound to hap­pen, thing are seg­ments of ker­atin (the same tting your hair is made out of) loosely fi in­side one an­other. When a snake lifts up its tail, these seg­ments vi­brate the once they hit each other and cre­ate rat­tling sound. A snake grows a new seg­ment each time it sheds its skin!

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