G'day.
Australia's on the Wallaby just seemed apt after seeing the one true W. M. The verse is from Ron Edward's book, and he says it is from Mr Clarence McAulay of Coolgarra, N. Q. (older and published elsewhere, but I haven't looked it up. I think it has been posted in Mudcat.

Sorry about the two t's, that name group seems to have members who spell it with one 't' and others who use two. I can never remember.