Tiny 'earless' Gardiner's frog listens with its mouth, surprises scientists

The video discusses frogs found in the Seychelles, highlighting their small size of 11 millimeters. Scientists discovered that the frog's mouth acts as a resonator, resonating at a frequency of 5738 Hertz. A study showed that male gardener frogs respond to prerecorded calls, indicating their ability to hear and communicate.

What frequency does the frog's mouth resonate at?

How did the male gardeners' frogs respond to the prerecorded frog calls?