To source their food, some predators eavesdrop on calls emitted by prey. Fringe-lipped bats, which range from Panama to Brazil, are some of the most skilled eavesdroppers in the world. They are ...

A fringe-lipped bat, Trachops cirrhosus, approaches a Fitzinger's robber frog, Craugastor fitzingeri, in Panama. This species of bat eavesdrops on the mating calls that male frogs produce to attract ...

A fringe-lipped bat, Trachops cirrhosus, responds to the calls of the túngara frog, Engystomops pustulosus, one of its preferred prey species. First, the bat hears the call of a single male túngara ...