Many thanks to Bob and Joan for allowing me to record these sounds at the Sun Foundation yesterday. These are sounds of the periodical cicada. They were a bit louder but my microphone was overwhelmed. I have encountered (and collected) these animals in 1973, 1990, and now 2007. I encountered them in Marshall, Peoria, and Tazewell counties this time. I was also alive during the 1956 swarm (but was a bit too young to remember).
Periodical cicadas are back
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