Yeah, I'm going to hunt one down, and isolate it from all the others just so I can count its chirps so the count won't be screwed up by being confused by other chirpers - all to avoid simply looking at all the other sources of said information that are much more readily available and convenient
Unless you're doing some sort of environmental science experiment while living in a post-apocalyptic world where every pre-existing analog thermometer device for accomplishing this has somehow been destroyed, this is utterly useless.