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Also, is it known how they manage to count to 17? Are a noticeable fraction of them off by one?
by abecedarius 5y ago
Also, is it known how they manage to count to 17? Are a noticeable fraction of them off by one?
- js2 5y ago> Sometimes periodical cicadas emerge “off-schedule” by one or more years. This phenomenon is often referred to by the general term “straggling,” although straggling cicadas can emerge either later or earlier than expected. https://cicadas.uconn.edu/broods/ https://cicadas.uconn.edu/broods/ https://cicadas.uconn.edu/stragglers/ https://cicadas.uconn.edu/stragglers/
- abecedarius 5y agoThanks. "Straggling emergences in which only a few cicadas are present are common, but larger unexpected emergences of thousands of individuals have also been reported." There's a suggestion that climate change may be causing more stragglers, but nothing else on how they count or time it.