I was born in the United States, but my father was born in Australia.
Really, Australia is the worlds sixth largest country
I didn't know that.  How many people live there?
I don't know but I know the neighboring coutries are New Guinea, Solomen Islands and Indonesia
How many beaches are there in Australia?
Lots of beaches and the largest city is Sydney
What kinds of mammals are there in Australia?
I don't know about mammals but the capitol of Australia is Canberra