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Science, Spoken

The Earth Is About to Feast on Dead Cicadas

May 13, 2024
Two rare cicada broods are emerging simultaneously after 221 years, providing a feast for birds, trees, and humans. The swarming behavior of the cicadas in Illinois is impacting local ecosystems. Learn about the beneficial role of cicadas in ecosystem health and how they engage citizen scientists through the Cicada Safari app.
07:50

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Quick takeaways

  • Cicadas play a crucial role in ecosystems as a rare feast for predators and trigger ecological changes.
  • Researchers encourage citizen scientists to document Cicada emergences for understanding patterns and promoting public engagement.

Deep dives

Cicadas' Unique Lifecycle and Impact on Ecosystems

Periodical Cicadas have a fascinating life cycle, emerging in sync every 13 or 17 years in massive numbers to mate, lay eggs, and die in a month-long spectacle. These insects play a vital role in their ecosystems, providing a rare feast for various animals, plants, and microbes. Despite their abundance, Cicadas are defenseless, making them easy targets for predators like birds, raccoons, and dogs. Their mass emergence not only serves as a protein-rich bonanza for predators but also triggers ecological changes, such as increased caterpillar populations feeding on oak leaves.

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