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How does the rattlesnake emit its ominous warning?

If you look inside a rattlesnake rattle, you’ll find it’s actually hollow.

Instead of shaking loose bits like a maraca to make that famous sound, rattlesnakes are actually clacking together segments of keratin – the same material that’s found in your fingernails.

They do this by using three shaker muscles to vibrate the tips of their tails up to 90 times a second… which is many times faster than you can blink!

View the original video here.

Good Living is the Cyprus Mail’s portal of curated content from across the internet, showcasing local and global ideas, cultural highlights, and scientific and technological developments to inspire a sustainable life.

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