The days are long gone when the noise of crickets filled the city nights. I’m sure being overtaken by the sound of traffic was depressing for many animals, but they’re not all just laying down and dying. Some city grasshoppers have started changing their tune. They’re not so depressed anymore, or so quiet.
Grasshoppers in urban areas are changing the tune of their courtship songs so as to be heard over the sound of traffic.
A research team from the University of Bielefeld Germany have discovered some grasshoppers have started to change the frequency of their song to be heard over the roar of vehicles. This evolutionary change in grasshoppers could is very exciting to see. I can only imagine what the future will bring…
Sources:
http://www.uni-bielefeld.de/(en)/
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