This camera can pick out individual singers in a frog chorus | Science News

In video from what’s called an “acoustic camera,” each blip of a rainbow blob in this New Hampshire pool pinpoints the location of a male wood frog who just gave his come-hither mating call. The colors correspond to the decibel scale at right. The male frogs gather in early spring to call (sounding to human ears like something between a human burp and a turkey gobble). To female wood frogs, though, it’s apparently a signal that males are available and eager for company.

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Video: Dartmouth College