translate English to French: During most successful attacks of frogs in the cage, these orientation sounds were produced by the bats which are also known to rely on frog calls to locate prey.
La plupart des attaques réussies des chauves-souris dans la volière s'accompagnent de ces cris d'orientation; les chauves-souris s'aident aussi des cris des grenouilles pour localiser leurs proies.