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Why the summer sound of noisy crickets is growing fainter

Why the summer sound of noisy crickets is growing fainter

6 years ago
Anonymous $oIHRkISgaL

https://phys.org/news/2018-08-summer-noisy-crickets-fainter.html

Hiding in the vegetation, he is also surrounded by a silent audience of other males. Those "sneakier" males do not sing themselves, but will try to intercept females as they approach a singing rival. It is this dramatic scene that plays out as we hear the crickets and grasshoppers calling on warm evenings. Or at least it did.

Because the crooning of the crickets has quietened in recent years and may be becoming a thing of the past. There is strong evidence that large numbers of crickets and grasshoppers (known, along with mantises, earwigs and cockroaches as the "Orthoptera") are declining across Europe. A 2017 review of European species showed that over 30% of the 1,000 European species were in decline while only 3% were increasing. As with many insects, we simply don't know what is happening to most of the rest.

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