The male Tungara frog wants to be sexy for his potential lady frog partners. But lady frogs have very specific tastes: They like their males to make two sounds, a whine and a chuck. Hear both on the Scienceline Podcast.
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Sound credit: Michael Ryan. These are computer-simulated recordings, used by researchers in the lab to test females responses. The female frogs cannot tell the difference between these computer calls and the calls of real male frogs.