Pobblebonk

Lots of frogs calling and lots of frog spawn in the frog pond and pond for the mine shute at present with more rain around. Whilst collecting yet more toads again tonight (another 12 for dispatch) picked up this delightful frog:

It is quite a large frog with bulging eyes. As far as I can determine it is a Northern Banjo Frog or Northern Pobblebonk. 

The proper name is:   Limnodynastes terrareginae

The call is like a bonk sound, and I certainly have heard this call at night so maybe this and his mates are the culprits.