Endemic to an area surrounded by arid regions, where it became isolated by climate changes in the interior
The motorbike frog is a ground-dwelling tree frog found in Southwest Australia. It gets its name from the male frog's mating call, which sounds like a motorbike riding past and changing gears. Other common names are Moore's frog, the western bell frog, western green and golden bell frog, and western green tree frog.
Back varies from pale brown to dark chocolate with areas of deep green or olive, red colouration in the groin and hind limbs.
Large, black with deep tail fins.
Large protruding oval gland on the upper surface of the calf.