ANIMALS
A trillion cicadas will descend on the US this spring in a rare event
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GLOBAL EYE
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More than a trillion cicadas could emerge throughout the Midwest and Southeast of the US this spring, as the schedules of two separate broods align for the first time since 1803. Brood XIII and Brood XIX represent two distinct groups of periodical cicadas that emerge according to 17 and 13-year life cycles respectively. In a rare natural event that occurs once every 221 years, these two broods will both tunnel through the ground to the surface, starting in late April, across 16 states.