![Periodical cicadas from Brood X during their last emergence in 2004. Michael Ventura/Alamy](https://media.audubon.org/2f6j27g.jpg?width=233&height=200&auto=webp&quality=10&fit=crop&disable=upscale&enable=upscale&blur=100)
Birds May Hold Clues to the 'Bizarre' Life Cycle of Brood X Cicadas
April 19, 2021 —
Billions of cicadas will emerge in the eastern United States this spring, presenting a once-in-a-17-year opportunity for scientists to understand how they shape populations of birds and other species.