City Creek Nature Notes – Salt Lake City

September 20, 2016

August 15th

Filed under: Avenues, Cricket, Insects — canopus56 @ 11:02 pm

How Many Crickets?

5 p.m. It has been overcast all day. The darkened sky has fooled the crickets. About one in four have begun their evening song. On a normal evening usually around 7 p.m., the crickets begin their full chorus. In the canyon the sound is loud: 20 or 30 decibels. A half hour later the sun comes out and the crickets fall silent. Today was the opposite scenario from the summer storm on August 7th. Then it was a sunny all day and in afternoon a thunderstorm backed up against the Wasatch. The canyon abruptly darkened at 5 p.m. as the thunderstorm moved in front of the sun. The crickets were deceived and began their nightly song early. At 2 a.m. in the Avenues, crickets continue their loud song. Walking outside I estimate that there are 2 crickets for every 500 square feet of green space. The Avenues consist of about 6 square miles or about 1.7 million square feet. I estimate about 12% of the Avenues use green space. This works out to about 800 crickets living in the Avenues. This is a small number compared to their contribution to the night’s soundscape.


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