Video

The Mysterious 17-Year Cicada Cycle

Published September 6, 2025

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There are two different groups of cicadas–annual cicadas that live and die yearly, and periodical cicadas, which hatch every 13-17 years. If you are interested in learning more about the second category, referred to as Brood X, then watch this fascinating video.

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A-Z Animals Staff

AZ Animals is a growing team of animals experts, researchers, farmers, conservationists, writers, editors, and -- of course -- pet owners who have come together to help you better understand the animal kingdom and how we interact.