Frogs

Frogs hears through its mouth

Experts have cracked the riddle of how one of the world's smallest frogs can hear, when it doesn't have ear drums.Gardiner’s frogs were believed to be deaf because they don't have ear drums but now it has been revealed that the frogs' mouths act as an amplifier. The amphibians use the mouth cavity and tissue to transmit sound to their inner ears.The frogs are only about 1cm long and are...