Pseudophryne australis (Red-crowned Toadlet)

The Red-crowned Toadlet is an unmistakable small frog, usually measuring less than 30 mm long. It is dark brown to black, with distinctive reddish-orange patches, one between the eyes and one along the rump. It also has a white patch at the base of each arm. The belly is marbled black and white. The tadpoles are black and reach about 25 mm. The short, grating and "squelchy" call can be heard all year round.

Likes sandstone country. Found mostly in Nattai NP, Woronora Plateau and Morton NP.

Vulnerable to pollution and impacts of mining. They have not been recorded breeding in even mildly polluted waters.

Eggs are laid in moist leaf litter which are washed out in heavy rain.