The Australasian Grebe, Tachybaptus novaehollandiae is a tiny waterbird common on fresh water lakes and rivers in greater Australia, New Zealand and on nearby Pacific islands. At 25-27 cm in length, it is one of the smallest members of the grebe family (see also Little, Least Grebe).
The Hoary-headed Grebe, Poliocephalus poliocephalus, is a member of the grebe family found in Australia and, since 1975, New Zealand, where it is scarce.
Birds of Australia 
not too much longer now :)