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November 14 2012
Grasshoppers that live in noisy urban environments are having to change their song, a study has found.
Researchers suggest that high levels of background noise may affect the grasshoppers' mating process.
They say the insects are forced to increase the volume of the low-frequency sections of their call.
Results of the study, by scientists from the University of Bielefeld, Germany, are published in the journal Functional Ecology.
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