Sentences with phrase «how cicadas»

«We still don't have a good theory that explains how the cicadas» resource pulse causes the birds» populations to reach their low point exactly 13 and 17 years later,» Koenig says.
It remains uncertain specifically how cicadas might orchestrate the behavior of other species over such long time periods.
«Our hypothesis is, frankly, hard to believe, even by us, if for no other reason because we know of no mechanism to explain how cicada emergences could be driving a cycle in the birds that is so long — 13 or 17 years,» Koenig says.

Not exact matches

And we'd end up sitting on a curb in the parking lot by the light of a street lamp, listening to night cicadas or cars going by, and we would talk about how no one had ever, could ever, have been in love like we were in love, and we would kiss until we were dizzy before walking back to the dorms, just in time for curfew.
And a quick learner, my older toddler can explain evaporation, how geysers work, and the life cycle of cicadas.
So how do the cicadas manage to manipulate the birds over these long cycles?
Knowing that researchers in the early 20th century had shown that avian predators can wipe out an entire population of cicadas that emerges out of sequence, Koenig decided to take a look at how bird populations might affect the insects» cycles.
Cicadas are a common soundtrack to summer, but did you know species vary depending on how many years they spend underground as larvae?
Collecting the shells will tell you how many and what kind of cicadas inhabit a certain area.»
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