It's funny how you begin to hear something when somebody else mentions it. My fellow camper pointed out a funny clicking sound in a mostly ponderosa forest. It was pretty subtle. I spent the next half hour trying to figure out its cause, coming up with some pretty absurd explanations. But the sound was concentrated near one bushlike tree that was close to eye level. Here was the culprit (transferred to the animals album of my Picasa album): It's an adult cicada, about an inch long. You gotta love those transparent, veined wings. You expect to hear a loud screech from cicadas, rather than subtle clicking. Wikipedia has an interesting article on them. Did you know that cicadas are "timpanists" rather than "violinists" such as grasshoppers or crickets? They have thin membranes on their abdomens that buckle to produce their normal screeching sound. So what's wrong with our local timpanists; why don't they make the usual screech? Cicadas are
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