Javelin frog

The javelin frog (Litoria microbelos) is a species of frog in the subfamily Pelodryadinae, that is endemic to Australia. Its natural habitats are subtropical or tropical dry lowland grassland, swamps, and intermittent freshwater marshes.

Description
The javelin frog is the smallest known tree frog in Australia, with males reaching 16 mm and females 18 mm in length. Colours are typically brown with a light-brown dorsal surface, dark-brown lateral stripes and light, almost white, ventral surface. A white stripe runs along the lip and along the side of the frog.