FIGURE 5 in Revision of the water-holding frogs, Cyclorana platycephala (Anura: Hylidae), from arid Australia, including a description of a new species

FIGURE 5. Calls of C. platycephala and C. occidentalis: upper traces of a complete call (left) and, showing details of pulse structure (right). Bars indicate relevant time scales. Lower traces are a power spectrum display of the whole call demonstrating peak frequencies and the absence of any harmonic structure (see text for further discussion about presenting frequency information in calls with a pulsed structure).