I didn't know what a "cane frog" was so I googled and came up with this site about frogs ... if you visit the (below) link scroll way, way down, you'll find information about the cane toad in Australia:

http://images.google.ca/imgres?imgur...lr%3D%26sa%3DN

Hmmmm ... Australia just keeps sounding better and better all the time

Ribbit ribbit