The Theory Is Sound - Insects
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What Sound Does A Snail Make? - Bang Goes The Theory - Brit Lab - BBC
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Insects
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When slowed down, insects sound like chimpanzees!
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How Loud is a Slithering Snail? - Bang Goes The Theory - Series 6 Episode 2 - BBC One
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Ultrasonic Rodent Repellent * Deafening Sonic Pest Remover * Sound to Drive Away RATS from Home