Frogs that hear with their mouth: X-rays reveal a new hearing mechanism for animals without an
Gardiner's frogs from the Seychelles islands, one of the smallest frogs in the world, do not possess a middle ear with an eardrum yet can croak themselves, and hear other frogs. An international team of scientists using X-rays has now solved this mystery and established that these frogs are using their mouth cavity and tissue to transmit sound to their inner ears.<img src="http://feeds.feedburner.com/~r/sciencedaily/~4/CDkFHnlKGTk" height="1" width="1"/>
