BROWN TOADLET Pseudophryne bibronii Gunther, 1858
A close relative of the red-crowned toadlet, this species also grows to about 3 cm in length. The Brown Toadlet is found throughout most of South Eastern Australia and Tasmania. It occupies most habitats, but is not found in sandstone areas around Sydney.
This frog lives on flies, mosquitoes, and similar insects. It lives under rocks, logs and other debris near semi-permanent streams and swamps, where they breed when it rains.
Although known to breed at all times of the year this species most often breeds in the cold winter months, when it has been recorded as calling in temperatures as low as four degrees Celsius.
The call is a short reverberating upwardly inflected 'ark'.
The above was from the book Australian Reptiles and Frogs by Raymond Hoser and now available on a fantastic CD-Rom along with a vast amount of other information, papers and the like on reptiles, frogs and other wildlife.