A fringe-lipped bat, Trachops cirrhosus, hears a male túngara frog, Engystomops pustulosus, producing an advertisement call to attract a mate. The bat approaches the calling frog, but the frog detects ...

A fringe-lipped bat, Trachops cirrhosus, approaches a Fitzinger's robber frog, Craugastor fitzingeri, in Panama. This species ...