<P> The tympanum is an external hearing structure in animals such as mammals, birds, some reptiles, some amphibians and some insects . </P> <P> Using sound, vertebrates and many insects are capable of sensing their prey, identifying and locating their predators, warning other individuals, and locating potential mates and rivals by hearing the intentional or unintentional sounds they make . </P>

Where is the frog's eardrum located on its body