Contact: Claus Habfast
European Synchrotron Radiation Facility
Caption: This is an illustration how a Gardiner's frog can hear with its mouth: Top left: The skin of the animal reflects 99.9% of an incoming sound wave hiting the body close to the inner ear. Without a middle ear, sound waves cannot be transported to the inner ear. Bottom left: the mouth acts as a resonating cavity for the frequencies of the frogs' song, amplifying the amplitude of the sound in the mouth. The body tissue between the buccal cavity and the inner ear is adapted to transport these sound waves to the inner ear.
Credit: R. Boistel/CNRS
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